____ several times, but unfortunately, the boy still couldn’t smooth away the pr
题型：同步题难度：来源：
| ____ several times, but unfortunately, the boy still couldn’t smooth away the problem on his own. |
| [ ] |
A. Having been explained
B. The problem having been explained
C. The problem had been explained
D. Although the problem had been explained |
答案
| C |
举一反三
_____ with a good education can apply for the job.| A．Who | B．Whoever | C．Anyone | D．Who ever |
|
An awful accident, however, _____occur the other day.| A．does | B．did | C．has to | D．had to |
|
I made a fire ____up the room as soon as my father came in．| A．warm | B．warmed | C．to warm | D．warming |
|
The students spent as much time getting trained as they ____ studying.| A．disliked | B．were | C．had | D．did |
|
三、Rewrite the following sentences(句型转换)5分
1.My cell phone is power off.I have to store power into it.
I have to _________ my cell phone fully _________ before I use it again.
2.If a medicine works with animals there is a high chance that it also works with people.
If a medicine has _________ _________ animals,it _________ _________ _________ that it has _________ _________people.
3.How do you feel about the animal experiments?
What do you _________ _________ the animal experiments?
4.Doctors can learn a lot of skills from working on animals.
Doctors can _________ more _________ from working on animals.
5.I think Maglev train costs too much money.
In _________ _________,Maglev train is _________ _________ expensive. |
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