The volunteers at the airport offer --- heavy luggage for the passengers.A.carrying B.carry C.carried D.to carry
问题描述：
The volunteers at the airport offer --- heavy luggage for the passengers.
A.carrying B.carry C.carried D.to carry
答
offer to do sth 提供做某事
D
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答
D
offer to do sth.
答
D
.to carry不定式做宾语,在时间上指将要发生；而动名词carrying做宾语表示经常的行为,错误；其他两个都的谓语动词形式,错误.
答
选D. offer to do something