题目内容
The students _______ their homework carefully when the teacher walked into the classroom quietly.
| A．do | B．did |
| C．are doing | D．were doing |
D
解析试题分析：句意：学生们正在认真做作业，当老师安静地走进教室时。根据when the teacher walked into the classroom quietly当老师安静地走进教室时，可知学生们正在做某事，从句为一般过去时，主句为过去进行时，故选D.
考点：考查过去进行时
学练快车道快乐假期寒假作业系列答案—Where have you _____ all day? —I came back at noon and I ____ in this room ever since.
| A．gone; had been | B．gone; was |
| C．been; have been | D．been; am |
A new bridge over the river now ,You can see many railway workers and engineers working every day．
| A．is built | B．is being built |
| C．has been built | D．should be built |
Today’s young people can’t live without smart phones. They keep their hands on the phones wherever they go, even while they ________ meals.
| A．had | B．will have |
| C．are having | D．were having |
Chinese speed skater, Li Jianrou was a dark horse. She to win the gold medal before the race started.
| A．didn’t expect | B．wasn’t expected |
| C．wasn’t expecting | D．hasn’t expected |
-- Where is Paul, do you know?
-- He ________ the library. He won’t return until nine.
| A．has been to | B．has gone to |
| C．goes to | D．went to |
--"How long has the movie ?
--About ten minutes. You haven't missed too much.
| A．started | B．finished |
| C．been on | D．been over |
There ______ a parents’ meeting tomorrow afternoon.
| A．is going to have | B．has |
| C．is going to be | D．be |