A new study suggests that the more teenagers watch television,_______ develop depression(抑郁症) as young adults.
A.the more likely they are to |
B.the more likely they are |
C.they are the more likely to |
D.the more likely are they |
—Who’s that at the door?
—is the milkman.
A.He | B.It | C.This | D.That |
Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.
A.whether | B.why | C.when | D.how |
Today there are more airplanesmore people than ever before in the skies.
A. | carry | B. | carrying | C. | carried | D. | to be carrying |
Unless some extra money________, the theatre will be close.
A.was found | B.finds | C.is found | D.found |
—I’m sorry for breaking the cup.
—Oh, _________一 I’ve got plenty.
A.forget it | B.my pleasure | C.help yourself | D.pardon me |