Not until the game had begun ______ at the sports ground.
A) had he arrived
B) did he arrive
C) would he have arrived
D) should he have arrived
查看答案
When was the first Olympic Games held
A. In 1896.
B. In 1776.
C. In 1689.
D. In 1916.
You'd better ______ the water until it has been boiled.
A) not to drink
B) not drink
C) not drunk
D) not drinking
Where is this conversation most probably taking place
A. In a classroom.
B. In a snack bar.
C. In the dormitory.
D. In a camera shop.
What is the main subject of this conversation
A. San Francisco.
B. Forest fires.
C. Redwood trees.
D. Survival skills.
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