They were angry because you __________ your promise.-考呗网

单选题They were angry because you __________ your promise.

答案选D。句意：由于你没有遵守诺言，他们很生气。本题考查的是动词时态。主句用过去时，原因状语从句的动作发生在“生气”这件事前，所以时态需要用过去完成时。故选D。

1Mary had an _________ ；she's been knocked down by a taxi．

2It is difficult for a two-year-old child(read) __________ this book．

3By using the credit card，people no longer need carry about large sums of money while(travel)_________。