问题

The Gree (格力) Company is developing a new kind of machine can cool down our rooms more quickly.

A:who
B:what
C:whom
D:which;

正确答案是：

同类题型

We must pay attention to _______ the teacher carefully in class.

She witnessed an accident ______ a minibus had a head-on crash with a taxi

The foreign guests, ____ were government officials, were warmly welcomed at the airport.

His wife, to whom he _____ for 20 years, died of cancer last Thursday

you consider that the airline handled 80 million passengers last year, the accident figures are really very small.[ ]