问题

The cost of sales makes up a large part of the prices that _____.

A:are paid for all products
B:all products are paid
C:for which all products are paid
D:for all products paid

正确答案是：

同类题型

Everyone _____ here now .Let’s ______.

The idea they have come up with sounds great, but it remainswhether it works well in practice．

Experts and teachers all think that failure is not __________ a bad thing to some extent.

_____leaves the office last must close all the windows and the door

We do not permit ________ in the office.