單項(xiàng)選擇題

Before she left on the trip, she（）hard.

A.trained
B.has trained
C.would trained
D.had trained

你可能感興趣的試題

單項(xiàng)選擇題

Be sure to（）your wife when you come here this evening.

A.bring
B.take
C.get
D.carry

單項(xiàng)選擇題

A lecture hall is（）where students attend lectures.

A.there
B.which
C.one
D.that