| — ___ do you go to see your grandparents? — Once a month. |
A．How long B．How often C．How soon D．How much |
| China is one of ___ in the world. |
A．the oldest country B．the oldest countries C．much older country D．much older countries |
| I think foreign languages are as ___ as science subjects. |
A．the most difficult B．more difficult C．difficult D．the difficult |
| Who _______ we _______ swimming with tomorrow afternoon? |
A. will; go B. do; go C. will; going D. shall; go |
| He ______ her a beautiful hat on her next birthday. |
A. gives B. gave C. will giving D. is going to give |