单项选择题
Who do you think the teacher will ()the question?
A.have answerB.have answeredC.have to answerD.has answered
单项选择题 They were()little children that they didn’t know what to do.
单项选择题 With a lot of difficult problems(),the newly-elected president is having a hard time.
单项选择题 The man will have to wait all day()the doctor works faster.