---Let me help you carry the box.
---No, thanks. It’s big, __________ there is nothing in it.
| A．and | B．so | C．but | D．because |
– 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
– Tom, stop _________ now. Listen to me!
– Sorry, Mr. Smith.
A.to talk B. talks C. talking