Before you attend the conference, you’d better _________.
举一反三
- I am going to attend the conference, but you ________ with me.
- You'd better think twice before you ______ the plastic.
- 中国大学MOOC:"If you cannot attend the conference, there’s no need for you to respond to the invitation letter received.";
- You’d better _________ (give) me a call before you come to visit us.
- （）! You should take this chance to attend it． A: How important conference is it B: How an important conference it is C: What an important conference is it D: What an important conference it is