It’s very kind _____you to help me with my lessons. It is hard ____ me to learn them well .
| A．of, for | B．of, of | C．for, of | D．for, for |
If my homework ________ on Saturday, I will go to Century Park to watch the flower show on Sunday.
| A．is finished | B．had been finished |
| C．was finished | D．will be finished |
Jack’s parents can’t go to the parents’ meeting because they ________ to Beijing on business.
| A．went | B．have gone | C．will go | D．had gone |
Quite a few people were injured or killed in this traffic accident last week, ________?
| A．were they | B．did they | C．weren’t they | D．didn’t they |
Get prepared _______ you can set out immediately if something happens.
| A．after | B．since | C．while | D．so that |
While in college, Mak never minded ________ extra work for his class.
| A．to do | B．doing | C．do | D．did |