—Why do you drink so much coffee?—Well, it doesn't keep me awake in the night, I see no harm in it.

1. —Why do you drink so much coffee?

—Well, it doesn't keep me awake in the night, I see no harm in it.

A. when B. as long as C. as though D. while

【考点】

引导条件状语从句的连词;

【答案】

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