China began to open to the outside world in the late 1970s．_________, there have been great changes in the country．
| A．By then | B．As a result |
| C．At last | D．In all |
----Are you often late for work, Mr. Smith?
----No, ________. I go to work early every day.
A. always B. never C. usually
Jay Chou is a ________singer. He can also play the piano ________.
A. good, good B. well, good C. good, well
Mary’s birthday is ________September 10th.
A. in B. at C. on
My cousin can play ________guitar, but he can’ t play ________ chess.
A. the, the B. /, the C. the, /
A. Thursday B. early C. Saturday