1.i am busy now,so i can't help____the machinea.to repair b.to have repairedc.repairing d.fixing2.we agreed____here but so far she hasn't turned up yeta.having met b.meeting c.to meet d.to have meet3.go on___the other exercise after you have finished this one.a.to do b.doing c.with d.to be doing 4.mike,you must get your study room ___after lunch.a.being cleaned b.to clean c.cleaning d.cleaned都要告诉我原因的
1.i am busy now,so i can't help____the machine
a.to repair b.to have repaired
c.repairing d.fixing
2.we agreed____here but so far she hasn't turned up yet
a.having met b.meeting c.to meet d.to have meet
3.go on___the other exercise after you have finished this one.
a.to do b.doing c.with d.to be doing
4.mike,you must get your study room ___after lunch.
a.being cleaned b.to clean c.cleaning d.cleaned
都要告诉我原因的
ACCD相信会有人给你解释的
1 选A.因为他没有空,所以还没有去修机器。就是说还没有完成那个REPAIR的动作。所以不用完成式
2 选c。她们是约好了见面就是说是已经答应的事而她没有出现。
3.选A.另一个运动是必须要做完这个才可以去做,就是说还没有去做。而是以后去做
4.选D。房间是被打扫
A 这里不是一般所认为的 can not help doing (情不自禁做某事)固定词组,而是帮助某人做某事 help to doC agree to do 同意做某事A go on doing 意思是继续做这件事(手头上正在做的这件事) 而 go on to do 意思是...
1.a.to repair
help to do sth
2.c.to meet
agree to do sth
3.a.to do
go on to do sth接着做另一件事
4.d.cleaned
get sth done把某事做了,被动关系