You should make it a rule to leave things______you can find them.
A. when
B. where
C. then
D. there
查看答案
Suppose it is September 14th today, how many activities can people choose to attend?
A. 2.
B. 3.
C. 4
D. 5
______could be judged from his eyes, he felt terribly sorry for what he had done.
A. Which
B. That
C. As
D. It
—______was it______they discovered the entrance to the underground palace?— Totally by chance.
A. How; that
B. What; that
C. When; when
D. Where; that
Sales of CDs have greatly increased since the early 1990s, when people______to enjoy the advantages of this new technology.
A. begin
B. began
C. have begun
D. had begun