问题

e class time, our teacher has________ students do half of the exercise in class and complete the other halffor homework
A:doing
B:did
C:to do
D:do
B:did
C:to do
D:do
正确答案是:
同类题型
Do you think it will rain tomorrow —_______. It hasn’t rained for a long time. It’s too dry.
Can you tell me what the article is about— _________ in China. The article is worth _________.
We ________ hope you will get a nice result on the National Games-Thank you very much[ ]
Which do you enjoy ________your weekend,swimming or fishing.