用下面所给动词的适当形式填空 The windows were never opened except (air)the room for a few minu
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用下面所给动词的适当形式填空
The windows were never opened except ________(air)the room for a few minutes in the morning.
试题答案
答案:to air

用下面所给动词的适当形式填空
The windows were never opened except ________(air)the room for a few minutes in the morning.
答案:to air