Question

【题目】He says he won't be free until tomorrow.

A. that B. if C. whether D. what

Answer 1

【答案】A

【解析】句意：他说他直到明天才有空。A. that宾语从句是陈述句，用that引导；B. if是否，如果；C. whether是否； D. what什么。本句宾语从句是陈述句，故用that引导，故选A。