—How is your collection going?—I need one more stamp before my collection ．A

题型：不详难度：来源：

—How is your collection going?
—I need one more stamp before my collection ．

A．is completed

B．will be completed

C．has finished

D．will be finished

答案

解析

略

举一反三

.
My parents ____ in Hengshui. They were born there and have never lived anywhere else.

A．live

B．lived

C．were living

D．will live

题型：不详难度：| 查看答案

.
Because of the sharp drop of birth rate, the number of students sitting the college entrance exams ______ all the time

A．is declining	B．has declined
C．have been declined	D．were declining

题型：不详难度：| 查看答案

.
When Bill Gates decided to stop schooling and created Microsoft in 1975, he ______ law at Harvard University.

A．studied

B．had studied

C．was studying

D．would study

题型：不详难度：| 查看答案

.
If a computer crashes, you will lose the file you _________unless you save it regularly.

A．are working

B．work

C．will work

D．worked

题型：不详难度：| 查看答案

.
To help today’s customers make a choice, a company in New York _____a video trolley — a supermarket trolley with a video screen to display advertisement and price information.

A．has invented

B．had invented

C．invents

D．is inventing

题型：不详难度：| 查看答案