Question

【题目】He has to ________ the invitation because he is too busy.

A. turn onB. write downC. turn downD. take up

Answer 1

【答案】C

【解析】

句意：他不得不拒绝邀请因为他太忙了。turn on打开；write down写下；turn down拒绝；take up从事；拿起；占据。根据句意because he is too busy可知，他很忙，所以他拒绝了邀请。故应选C。