while you ____to persuade him to give up smoking,a thief came in and took away the walletA.are trying B.tried C.were trying D.try

分类: 作业答案 • 2021-12-19 17:12:03

问题描述：

while you ____to persuade him to give up smoking,a thief came in and took away the wallet
A.are trying B.tried C.were trying D.try

答