Question

【题目】His father __________ have a ball.
A.doesn't
B.don't
C.isn't
D.aren't

Answer 1

【答案】A
【解析】考查否定句陈述句。陈述句中只有一个实意动词作谓语且其时态为一般现在时，变为否定句时要在动词前加don't或doesn't, 其后的实义动词用原形。第一人称/第二人称/第三人称复数主语 + doesn't + 动词原形+其他，第三人称单数主语 + doesn't +动词原形+其他。