--- Don’t waste any paper, because our forests ____ every day. ----Sorry, I didn

题型：不详难度：来源：

--- Don’t waste any paper, because our forests ____ every day.
----Sorry, I didn’t know that.

A．decreased

B．had decreased

C．have decreased

D．are decreasing

答案

解析

略

举一反三

It is reported that the number of graduate students who___ mental problems ___on the rise.

A．have ; is

B．has; are

C．has; is

D．have; are

题型：不详难度：| 查看答案

I’d like to think decades from now, a young Chinese person ______ inspired by Expo 2010 to one day visit where I grew up, just as I’ve finally gotten to experience China in person.

A．will have

B．has had

C．has been

D．will be

题型：不详难度：| 查看答案

.A 78-year-old retired engineer has built a capsule hotel for Beijing’s “ant tribe”. Among the 6 volunteers to try out the apartments on April 3____ Sun Changyun, a college student from Shenyang.

A．were

B．are

C．was

D．is

题型：不详难度：| 查看答案

I don’t work here full-time. I ________ temporarily.

A．just help out	B．have just helped out
C．am just helping out	D．just helped out

题型：不详难度：| 查看答案

What a mess I have made! How I wish I ______ to paint the walls of the house.

A．didn’t attempt	B．haven’t attempted
C．wouldn’t have attempted	D．hadn’t attempted

题型：不详难度：| 查看答案