问题

_______ any reply, he had to send a second request.[ ]

A: Not to receive
B: Having not received
C: Not receiving
D: Not having received

正确答案是：

同类题型

It’s bad news that quite a few rare animals are _____ each other. [ ]

In no case ______ allowed to go on.

The temperature has risen_____ 34 degrees centigradeIt is quite hot_____ May[ ]

The party ____since the new year .[ ]

52 Don’t worry Your child is old enoughto___________himself