—I’m sorry. I can’t play baseball with you—_______.
| A．Thank you | B．Never mind |
| C．Excuse me | D．Have a good time |
I don’t like swimming, _______ I won’t join the swimming club.
| A．because | B．so | C．why | D．however |
It’s important_______ the piano well.
| A．of him to play | B．for him to play |
| C．of him playing | D．for him playing |
—What’s the matter_______ Betty?
—She lost her wallet.
| A．at | B．for | C．in | D．with |
He is not good at learning English and he always does his homework_______.
| A．quiet | B．slowly |
| C．quick | D．careful |