With a lot of tough problems &

007afa2022-10-04 11:39:541条回答

With a lot of tough problems , the pilot was still calm, cool and collective under pressure.
A.solve B.solved C.solving D.to solve

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ll丐帮ll 共回答了17个问题 | 采纳率88.2%
D

本题考查非谓语动词。根据题意可知,问题仍没有被解决,故用不定式,故选D。
1年前

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