Today, WeChat（微信）becomes very popular, and more and more people like to use it to _____ each other.
A. depend on B. communicate C. believe in
When you go abroad, you’ll find that so many products in local shops ______ in China.
A. make B. have made C. are made
–Are you free tonight?
--Sorry, but I’m not _____. I’ve got so much homework to do.
A. busy B. comfortable C. available
–Let’s get Laurie a gift for his birthday.
--OK. Shall we ______ a book online for him?
A. afford B. order C. offer
_____ the traffic was heavy yesterday, we got to the bus station on time.
A. Although B. Unless C. Since
–Oh, no! I can’t find my mobile phone!
--Well, where ____ you last put it?
A. have B. do C. did
