free education, the poor children in my hometown can go back to school.
| A．Thanks to | B．Thanks for |
| C．Instead of | D．As for |
--- Doctor, ________ should I take this medicine? --- Twice a day.
| A．how often | B．how much | C．how soon | D．what time |
The Math problem is too difficult , we really don’t know ________ to do it .
| A．which | B．where | C．what | D．how |
---What do you think of ______Bai Yansong?
---He is _______ good host（主持人）that I like his program very much .
| A．a ; an | B．/ ; the | C．/ ; a | D．the ; a |
---Excuse me. Is the library open all day?
---. Only from 8 a.m. to 4 p.m.
| A．Yes, of course | B．That’s right |
| C．Sorry, I’m not sure | D．Sorry, I’m afraid not |
You afraid of doing homework. You know, it’s easy. Just be careful.
| A．don’t have to | B．have to be | C．don’t have | D．don’t have to be |