单项选择题
A.How do you do? B.Hi,Linda.This is Burt. C.Glad to hear your voice. D.Fine,that's good.
A:Would you father watch TV or go for a walk? B:The TV ...
A:Would you father watch TV or go for a walk? B:The TV program is good today.（）. A:Cool.Let's go.
A.What a pity! B.You konw what I mean. C.I hate to leave. D.But I need the exercise more.
The basic causes are unknown though certain conditions ...
单项选择题The basic causes are unknown though certain conditions that may lead to cancer have been（）.
A.conveyed B.identified C.notified D.guaranteed
If I had not been enjoying the work,I（）so much of it.A....
单项选择题If I had not been enjoying the work,I（）so much of it.
A.would not do B.should not have done C.should not do D.would not hava done
