單項(xiàng)選擇題

They have done（）work these days.

A.too much
B.much too
C.too many
D.many too

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單項(xiàng)選擇題

They all go outing on such a warm spring day（）Mark. He is busy with his lessons now.

A.beside
B.besides
C.except for
D.except

單項(xiàng)選擇題

They（）each other for more than twenty years.

A.don't see
B.didn't see
C.haven't seen
D.hadn't seen