Mr.Hopkins didn't know---.A.whom they were waiting B.whom th

学习时间:2026-04-03 08:22:15 阅读：3979

Mr.Hopkins didn't know___.A.whom they were waiting B.whom they were waiting for并说明

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2026-04-03 08:22:15

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Mr。Hopkins didn't know （B。whom they were waiting for）。霍普金斯先生不知道他们在等谁。wait（等待）是不及物动词,等待某人要说成“wait for sb”,要有介词的帮助才能接宾语。所以A项是不完整的,要选择B。