—I didn’t pass the Maths exam last time. I’m so worried about it.
— harder, you will make much progress (进步).
| A．Work; or | B．To work; or |
| C．Work; and | D．Working; and |
The song Baby Sister ________by Zeng Yike.
A. is written B. writes C. wrote
—Excuse me, how can I get to the museum?
-- Sorry. It's my______ time to he here.
A. one B. first C. once
—Can you come to my party on Wednesday?
—Sorry, I can't. I___ finish my homework.
A. may B. would C. have to
The high-speed trains are much than the common ones.
A. fast B. faster C. fastest
Linda has two Chinese friends. often talk in Chinese.
A. Their B. Them C. They