While Jim ______the floor, someone ______at the door.A．was sweeping, was knockin
题型：不详难度：来源：
While Jim ______the floor, someone ______at the door.| A．was sweeping, was knocking | B．was sweeping, knocked | | C．swept ,was knocking | D．swept, knocked |
|
答案
| B |
解析
| while引导的从句一般用进行时态，而主句为一般时态，故选答案为B |
举一反三
–Why didn’t you go to the movie last night?
_ Because I _____ the film before..| A．was seeing | B．saw | C．have seen | D． had seen |
|
Many accidents by careless drivers last year.
A. were caused B. have caused C. will cause |
--____ you ____the work?
--No, we need two more hours.| A．Have , finished | B．Do, finish | C．Did, finish | D．Will, finish |
|
–What does your grandma often do after supper?
--She ___ for a walk.| A．go | B．goes | C．went | D．is going |
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– Don’t lose your confidence. Things ____ fine soon.
– Yes. We should learn to be brave when we ____ in difficulties.| A．are, are | B．are, will be | C．will be, are | D．will be , will be |
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