Some students found _____ hard to study English well .
| A．this | B．it | C．that | D．which |
We should always bear ____ in mind that our own determination to success is more important than anything else.
| A．it | B．this | C．that | D．this |
–How was your trip abroad?
–Great. The only pity is that I ______to buy some gifts for my friends.
| A．forgot | B．forget | C．would forget | D．was forgetting |
–What has happened to Jack?
–He’s had one of his legs _____trying to save a boy from the fire.
| A．injuring | B．injured | C．being injured | D．to be injured |
You must be aware ______the fact that it is ____ great importance to learn English well.
| A．to; of | B．of; of | C．to; in | D．of; in |
I won’t give you any help __________ you tell me the truth. It’s none of my business.
| A．unless | B．since | C．as though | D．even though |