问题:
—Two hundred of the tourists were saved from danger in Taiwan, but the rest ______ still missing.
— If only the travel agency ________ more measures to prevent such accidents.
A.is; has taken
B.are; had taken
C.is; took
D.are; would take
—Two hundred of the tourists were saved from danger in Taiwan, but the rest ______ still missing.
— If only the travel agency ________ more measures to prevent such accidents.
— If only the travel agency ________ more measures to prevent such accidents.
A.is; has taken | B.are; had taken |
C.is; took | D.are; would take |
参考答案: