Scientists say it may be five years ______ it is possible to test this medicine on human patients．
A. since B. until C. before D. when
Last month, the Japanese government expressed their thanks for the aid they ______ from China.
A. receive B. had received C. have received D. are receiving
The little girl who got lost decided to remain ____she was and wait for her mother.
|
A．where |
B．what |
C．how |
D．Who |
He always brings me a pretty gift ____ he comes to visit me.
|
A．by the time |
B．sometimes |
C．every time |
D．at times |
——Does Shelly like shopping?
——Well，she would rather spend time at home than in the street．
|
A．read；wander |
B．reading；wander |
C．in reading；to wander |
D．reading；to wander |
The problems at the meeting tomorrow are really hard to solve.
|
A．discussed |
B．to discuss |
C．to be discussed |
D．discussing |
