哪个高手能帮我回答下下面的英语问题吗?
问题描述：
哪个高手能帮我回答下下面的英语问题吗?
改写下列的句子,用must 或 have to 来替代黑体印出的部分. It is necessary for you to work hard You must (or have to )work hard.1 itwill be necessary for you to see a doctor 2 Isit necessary for your to make so much noise ? 3 she saidit would be necessary for us to stay here.4 itis necessary for me to have some help5 itwas necessary for him to go out last night
答
1.You must see a doctor.2.Do you have to make so much noise?3.She said that we had to stay here.4.I must have some help.5.He had to go out last night.