If you aren't careful,you will have an accident.
问题描述:
If you aren't careful,you will have an accident.
句子中的aren't可以改成don't吗?
为什么一定要有be动词呢
答
不可以
相关推荐
- 英语填空 为什么?用了什么语法 1,You need not(wake)_____me up.I don't have to go to work today.2,If you had listened carefully in class ,you (know)_____how to do this problem now.3,You need not (write)____such a long report,because the boss has no time to read it.
- 英语作业(1),懂得就来帮忙做下单选题 第1题 (2.0) 分 A、where does he live B、where he lives C、 where he does live D、he lives where 第2题 (2.0) 分 Trains can more passengers than planes.A、get B、bring C、send D、carry 第3题 (2.0) 分 You needn’t have it .You can repair it yourself.A、 repairs B、repairing C、repairing D、repaired 第4题 (2.0) 分 I have never seen beautiful coat.A、so B、such C、so a D、such a 第5题 (2.0) 分 The Great Wall more than 2000 years old.A、is B、be C、has D、 was 第6题 (2.0) 分
- 高中英语一题单选Linda,can you manage it without help?It seems no easy.-_____I have done such a task before.A.With pleasure.B.Take care.C.Don't worry.D.Why not?应该选哪个呢?为什么呢@_@
- How ___ is this drum?it is 45 yuan.how____legs are there in a bee?six.how____milk is t here in the fridge?There isn't any.how____is it from your home to your scjool?aboot 4 km.how____do you have olympic math? twice a week?_____do you go to school?on foot.
- 英语翻译In this world No man or woman is worth your tears,and the one who is,won't make you cry...The worst way to miss someone is to be sitting right beside them knowing you can't have them...Never frown,even when you are sad,because you never know who is falling in love with your smile...To the world you may be one person,but to one person you may be the world...Don't waste your time on a man or woman,who isn't willing to waste their time on you...Just
- You can have a pet dog,but suppose you get bored with it in a few days ____---We won't ,we promise.A.Then what?B.All right C.How come D.So what
- 根据下列情景写6句话的作文Caller:l'm Adam Green.My doctor says that I'm not in good shape and I need to lose about four ahd a half kilos.I don't like sports.Do you have any advice?Someone called a radio program for suggestions.What advice would you give him?Please write a letter to him about your advice.
- You __ have my computer if you don't take care of it.A.shall not B.might not c.needn't D.shouldn't
- 麻烦大家帮忙填以下括号里的词或词组,1.That is a seventeety-century book so ( ) that I can’t even remember the name of it.2.When a soldier receives orders he must obey them ( )without question.3.I like this dress ( ) although the others are very nice too.4.John is a trusty assistant,and you can take him into your ( ) anytime.5.I’m afraid you have to work weekends to ( ) the lost time.
- 1.____________ pen is that?Linda's.2.____________ is the girl?Linda.3.____________ is the cat?White.4.____________ are the the buses?In front of the school building.5.____________ pictures are there on the wall?Four.6.____________ is Tom?He's a pupil.7.____________ are these?Red apples.8.____________ do you have lunch?At twelve o'clock.9.____________ are you late,boy?My alarm clock doesn't work.10.___________ did you go to school?By bus.11.___________
- 如图所示,已知正方形ABCD的边长是7,AE=BF=CG=DH=2 (1)四边形EFGH的形状是_; (2)求出四边形EFGH的面积; (3)求出四边形EFGH的周长(结果精确到十分位,参考数值:2.9≈1.703,0.29≈0.539)
- Be careful .If you __ , an accident may happen to you . A. don'tB aren't