问题

Is this the reason ______he explained atthe meeting for his carelessness in his work

A:were being designed
B:have designed
C:have been designed
D:were designed

正确答案是：

同类题型

In Hangzhou，Mr.Black was so struck ________ the beauty of nature that he stayed ________ another night

Do you know where the library is—Sure. It is_____the No. 2 Middle School_____the post office.

What you have done is _____ the doctor’s orders.

Will you do me a favor and pick me up tonight—_________.

There is no need_____，because the flight has beencancelled