—This physics problem is too difficult. Can you show me _____, Wang Li?
—Sure.
A. what to work it out B. what to work out it C. how to work it out
—Have you lived there a long time?I was born.
| A．for;in | B．since;in |
| C．for;since | D．since;for |
People who eat a balanced diet should be healthier than ______ who only eat meat.
| A．those | B．that |
| C．this | D．they |
I prefer playing basketball to ______ because I like outdoor activities.
| A．stay at home | B．staying at home |
C．make friends | D．making friends |
My father wants to give up ______, but it’s hard for him to ______.
| A．smoke; give up it |
B．smoking; give up it |
C．to smoke; give it up |
D．smoking; give it up |
—Is that Lucy’s cousin, Anna?
—No, it ______ her. She has gone to Paris.
| A．mustn’t be | B．might be |
| C．can’t be | D．could be |