—Why are you standing there, Maggie?—I can’t see the blackboard clearly. Two tall boys are sitting me. A. behind B. in front of C. beside
---Can you think of any_______tips to protect yourselves against crime? ---I have no idea.
Nobody has the right to laugh at others _________ he is right.
Look, there is “u” and “s” in the word university .
–Kangkang told me he would have a party this evening. Are you going there? --I’m invited, too. But I have a lot of homework to do this evening, and I wonder _____.
We'll go on a field trip if it _______ this weekend.