时态和语态1.When and where to build the new factory_____yet.A.is

时态和语态
1.When and where to build the new factory_____yet.
A.is not decided B.are not decided C.has not decided D.have not decided
2.Teacher:You can't finish the book in less than an hour,I suppose?
Student:_____
A.Yes,I'm sure I can B.No,hardly C.Sorry,I can't D.I don't think I can
3.Quite a few people used to believe that disaster_____if a mirror was broken.
A.was sure of striking B.was sure of having struck
C.was sure of struck D.was sure to strike
4.She's upstairs______letters.
A.writes B.is writing C.write D.writing
5.The research is so delighted that once______nothing can be done to change it.
A.begins B.having begun C.begining D.begun
6.The guard at the gate insisted that everybody______the rules.
A.obeys B.obey C.will obey D.would obey
7.I insist that a doctor______immediately.
A.has been sent for B.sends for C.will be sent for D.be sent for
8.How I wish it______!If it______in a few days,the crops would be saved.
A.will rain;rained B.would rain;should rain C.should rain;rains D.would rain;had rained
9.The doctor recommended that I______here for the sunshine before I started for home.
A.come B.came C.would come D.had to come
10.Mr.Brown,whom I could't get_______my offer,always liked doing thing on his own.
A.accept B.accepted C.accepting D.to accept

B
A
D
D
D
B
D
B
A
D
具体哪道要解释,说一下