Our math teacher is very kind ______ he looks very serious.
| A．because | B．though | C．if | D．when |
Please stop talking. Our teacher has ____ to tell us .
| A．something important | B． important something |
| C．anything important | D． nothing important |
— Sorry , I____ my homework at home .
— Don ' t ____ it here tomorrow.
| A．left ; forget bringing |
| B．left; forget to bring |
| C．forget; forget bringing |
| D．forgot; forget to bring |
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 |
__________ join the English club to improve your spoken English?
| A．How about | B．Why not |
| C．Try to | D．Would you like |