问题

So far, large quantities of information _____ sent to the company by email, which has a great effect on improving the quality of its products.

A:has been
B:have been
C:was
D:were

正确答案是：

同类题型

It’s said the Nanjing Airport light rail_________ into service in two months. — That’s great! It will be fast to go to the airport.

Please try your best to finish the work with ________ money and ________ people.

The city park will be cleaner ___________ people stopdropping litter here and there.

, as long as I’m with nature, I don’t care

t you tired of practicing playing the piano dayafter day—,I enjoy every minute of it.