—Jones! Roy has broken the glass.
— Such things happen.
A. Doesn’t matter. B. How come?
C. What a pity! D. What has become of him?
The experiment shows that proper amounts of exercise, if ___ regularly, can improve our health.
A. being carried out B. carrying out C. to carry out D. carried out
The discovery of gold in Sahara Desert led thousands to believe that a fortune________.
A. is made B. was to be made C. would make D. had made
—Beg your pardon, but I didn’t quite catch what you said.
—Oh, I to myself.
A．have talked B．am talking C．had talked D．was talking
—Does your uncle still smoke?
—He given it up. It’s two years ever since he .
A．can’t have; smoked B．may have; smoked
C．should have; has smoked D．should have; didn’t smoke
I have little doubt about his competence; ______, he is well-qualified for the job.
A. although B. because C. moreover D. yet
