An exercise method _____ to improve strength and balance is becoming popular in the United States.
A. designing B. designed
C. to be designed D. being designed
Frank, where have you been? We _____ you since 2 o’clock.
A. have been waiting for B. are waiting for
C. had waited for D. waited for
You will recognize Jane when you see her at the airport. She _____ a large blue bag.
A. carries B. is carrying
C. will be carrying D. has carried
_____ all my money on the car, I can’t afford a holiday with my friend this summer.
A. Spending B. Spend
C. To spend D. Having spent
—What do you think of the film Wolf Totem?
—Very good. The plot is _____ brings tears to my eyes.
A. How B. why C. What D. that
—Can I fax this paper?
—Sorry, but our fax _____ at the moment, and it won’t be working until around 3 o’clock.
A. is being repaired B. is repairing
C. is repaired D. repairs
