——I’m sorry , but there’s no smoking on this flight ．
——Oh, I _______that ．Sorry , I won’t again ．
| A．don’t know | B．didn’t know |
| C．won’t know | D．haven’t known |
Their plan was ____.
| A．success | B．succeed | C．a success | D．a successful |
____________, I’ll visit you next Sunday.
| A．If you are convenient | B．If it is convenient to you |
| C．If you’ll be convenient | D．If it’ll be convenient to you |
To learn English well, we should find opportunities to hear English _____ as much as we can.
| A．speak | B．speaking | C．spoken | D．to speak |
LiPing stood silently with her arms ________.
| A．folding | B．to fold | C．being folded | D．folded |
--- May I use your new dictionary? I want to look up a word.
--- It’s over there. _______.
| A．Feel free | B．Got it | C．It depends | D．It’s my pleasure |