Question

【题目】He had to _________in hospital ________he was better.

A. not remain ; until B. be remain ; till

C. be remained ; until D. remain ; till

Answer 1

【答案】D

【解析】试题分析：句意：他不得不待在医院里直到他身体更好。根据动词短语have to do 表示不得不做某事；表示直到；根据题意故选D。