He always tries his best to complete it on time.

admin2010-03-19 65

问题 He always tries his best to complete it on time.

选项 A、However the task is.
B、However hard the task is.
C、Though hard the task is.
D、Though hard is the task.

答案B

解析 however 引导让步状语从句，however 等于 no matter how。

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专业英语四级

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