1:He n_____ that he had left already.
2:Most business letters around the world _____ (write) in English.
3:How many _____ (abacus) can you see in the shop?
4:Who was this work done _____?
A:on B:to C:with D:by
5:Dr. Bethune was busy ______ the wounded soldiers.
A: operating on B: operate C:operate at D: to operate in
6:Must I finish the exercise this afternoon?
Yes,you _____, but you _____ finish it now.
A: must; mustn’t B:must;don’t have to
C:may; needn’t D:may; mustn’t
7:When are trees often planted? (改为被动语态)
When ______ people often _____ ______ ?
8:She was seen to come out of the library.(改为主动语态)
He _____ ______ ______ ______ of the library.
1.noticed 他发现他已经离开了
2.are written 世界上大部分的商业信函都是用英语来写的
3.abacuses在商店里，你看到多少个算盘？
4.D这个工作室谁做的？（原意：这个工作被谁做了？）
5.A 贝迪那医生忙于给受伤的士兵们动手术。
6.B 我今天下午一定要做完这练习吗？是的，你必须做完。但是你不必现在就做完。
7.do plant trees 人们经常在什么时候种树？
8.saw her came\coming out 他看见她从图书馆走出来
1/ noted
2/ are written
3/ abacuses
4D 5A 6C 7 do...plant trees 8 saw her coming out
1:He noticed that he had left already.
2:Most business letters around the world written (write) in English.
4:Who was this work done D?
5:Dr. Bethune was busy A the wounded soldiers.
6.B
7:When are trees often planted? (改为被动语态)
When do people often plant trees ?
8:She was seen to come out of the library.(改为主动语态)
He saw her come out of the library