问题

Mary ______ my letter; otherwise she would have replied before now.

A:has received
B:ought to have received
C:couldn’t have received
D:shouldn’t have received

正确答案是：

同类题型

He ________ his aunt the day he arrives in Beijing.

To be well-informed , we should be ______ communication _____ each other about what happens to us

What _________ news it is! Nobody _________ it.

Would you like a cup of tea

The door _______ open, no matter how hard she pushed.