【題目】I'd appreciate _______if you could come and help me once more and I always appreciate _______me with my English in the past.
A.this; you to help
B.that; your helping
C.it; you to help
D.it; your helping

【答案】D
【解析】考查固定用法。appreciate后跟接if或when從句時，其后不直接跟if或when引導(dǎo)的從句，若語義上需要接這類從句，需借助it。其后可接名 (代)詞、動名詞、名詞性從句等作賓語。故選D。

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