---I’m sorry I______ my exercise book at home.
---Don’t forget ______it to school tomorrow, please.
| A．left, to bring | B．forgot, to take |
| C．forgot, to bring | D．left, bringing |
－Mom, I’m leaving.
－It’s raining. You’d better ________ an umbrella with you.
| A．to take | B．take | C．not take | D．taking |
The city park will be cleaner ___________ people stop dropping litter here and there.
| A．while | B．if | C．unless | D．before |
－How many ___________ would you like?
－Two, please. I have a friend here.
| A．cup of tea | B．cup of teas | C．cups of tea | D．cups of teas |
More and more people like to talk with their friends ______ sending messages on WECHAT(微信)
| A．by | B．in | C．with | D．for |
－Who taught _______ Chinese, Jerry?
－_____ classmates. They helped me a lot.
| A．your, My | B．you, Mine | C．you, My | D．your, I |