问题

Letterboxes are much more _____in the UK than in the US, where most people have a mailbox instead. [ ]

A: common
B: normal
C: ordinary
D: usual

正确答案是：

同类题型

It is hard to ______ such an unpopular policy.—I can’t agree more. Not many people will ______ it.

Lucy’s new job p

As one friend of his, you should give him a hand when he is in trouble.

The oldman has three sons，and two_____ are doctors．

下列词语中划线字的注音，完全正确的一项是（）