—Have you found the information about famous people_________ you can use for your report?—Not yet. I’ll search after school.
---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.