3. Jane said she would come here ▲ _9:00 and 9:30 tomorrow morning.
A. from B. at C. between D. around
4. —Who is singing in the next room?
— It ▲ be Lucy. She has gone to Hong Kong.
A. can’t B. must C. may not D. needn’t
5. ▲ good time we had last night！
A. How B. What a C. What D. How a
6. We have different opinions on many things, so we often ▲ with each other.
A. argue B. agree C. angry D. help
