Question

【题目】-- Do you know if ______ back next week? -- If he _______ back, please let me know.

A. he comes; will come

B. will he come; comes

C. he will come; comes

D. will he come; will come

Answer 1

【答案】C

【解析】

试题分析：句意：你知道他下周是否回来吗？如果他回来，请让我知道。第一个if引导宾语从句，要根据表达需要选用动词时态；第二个if引导条件状语从句，习惯上不用将来时而要用一般现在时代替。所以选C。