题目内容
Mr. Smith, I should tell you this is the fifth time you ______ me for my twin sister.
| A．have mistaken | B．are mistaking |
| C．mistook | D．are mistaken |
A
解析试题分析：句意：史密斯先生，我应该告诉你这是你第五次把我误认为是我的孪生妹妹。根据前面的this is the fifth time可知，后面用现在完成时。故选A。
考点：考查动词时态。
天天向上一本好卷系列答案
小学生10分钟应用题系列答案Jim ______ Jenny every night for the last month since he first met her in London, and they seem to be getting along very well.
| A．dated | B．had dated | C．was dating | D．has been dating |
— Tom is planning to buy a car.
— I know. By next month, he enough for a used one.
| A．saved | B．has saved | C．would save | D．will have saved |
----That must have been a long trip.
-------Yeah, it______ us a whole week to get there.
| A．takes | B．has taken | C．took | D．was taking |
They became friends again that day. Until then they ______to each other for nearly two years.
| A．didn’t speak | B．hadn’t spoken |
| C．haven’t spoken | D．haven’t been speaking |
There______ large quantities of things for him to do, but he managed to finish the work as required.
| A．were | B．was | C．are | D．is |
Computers ____ in offices and homes since 1970s.
| A．have been used | B．had been used | C．was used | D．has been used |
Jenny _____ continually _____ unexpected questions. We were tired of her.
| A．has; asked | B．was; asking | C．had; asked | D．will; ask |
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
— I really should have gone with you, but I ________ on some remaining problems.
| A．was working | B．would work | C．worked | D．had worked |