— It's very kind Betty to give us a hand.— That's true. We should thank her helping us out.

题型：单选题题类：模拟题难易度：普通

— It's very kind Betty to give us a hand.
— That's true. We should thank her helping us out.

A、for; for B、of; for C、for; of D、of; of

举一反三

Annie said she{#blank#}1{#/blank#} {#blank#}2{#/blank#}at home every day.

On the eve of Spring Festival, we stay up and {#blank#}1{#/blank#} {#blank#}2{#/blank#} for the new year.

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