單項(xiàng)選擇題

Our lab was being（）when we visited the university.

A.rebuilt
B.rebuild
C.rebuilding
D.to rebuild

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單項(xiàng)選擇題

Everything（）if Albert hadn't called the fire brigade.

A.will be destroyed
B.will have been destroyed
C.would be destroyed
D.would have been destroyed

單項(xiàng)選擇題

If the man（）succeed，he must work as hard as he can.

A.will
B.is to
C.is going to
D.should