Making friends is not easy. Sometimes it can take years you become true friends with someone.
| A．before | B．after | C．because | D．Unless |
– Why not go to see a movie this weekend?
– _________.
A. Not at all B. Good ideaC. Thank you
– This box is too big, could you help me carry it?
– _________.
A. Of course B. You’re welcome C. That’s OK.
–What are you doing here?
– I’m _________ my wallet, but I can’t find it.
A. looking after B. looking forC. look at
Lily and Lucy are sisters. _________ of them dance well.
A. Both B. All C. Each
– What’s near the house?
– An apple tree. Some birds are singing _________ the tree.
A. on B. in C. about