—Fire is very useful to human!
—Yes, especially in winter a fire _____________warm.
A. used to keep B. can be used to keep
C. is used to keeping D. was used to keeping
—Mona, _______ will it take to fly to Guangzhou?
—Sorry, I don’t know.
A. how long B. how soon C. how far D. how many
—You didn’t come to the meeting yesterday afternoon, did you?
—No, I ________ at the station for my uncle from Beijing.
A. was waiting B. have waited C. am waiting D. will wait
—Why are you so frustrated, Ben?
—I was late for class again. I’m afraid Miss Li will be _________ me.
A. busy with B. angry with C. friendly to D. proud of
—Do John and Betty have a child？
—Yes. They _______ for twenty years.
A. married B. have married C. have got married D. have been married
—Tina failed in the math test. She looks very sad.
—Let’s come to cheer her ________.
A. up B. in C. out D. at
