【单选题】
I think we’d better ____ , otherwise we will be late for class.
【单选题】
---I think we’ve met somewhere before.---No, _________.
④
I don’t think I know you
【单选题】
For formal English we’d better choose _______.
【单选题】
17.I dont think we can finish all the work before Friday, ____we?
【单选题】
For formal English, we’d better NOT choose_______.
【单选题】
[填空]gddition , I think we should take the cost into account.
【单选题】
12. We didn’t catch the train _______ we left late.
【单选题】
— We have to stop talking here. Listen, _____!
—Hurry up, or we’ ll be late.
【单选题】
First please be ( ) during your travel,otherwise we will waste time.
【单选题】
I think you’ve got to the point ___ a change is needed, otherwise you’ll fail.