问题
— How do you find air conditioners made by Haier Group Corporation?— Of high quality. We ______ their products all these years. [ ]
A: sell
B: have sold
C: have been sold
D: have been selling
B: have sold
C: have been sold
D: have been selling
正确答案是：
同类题型
Thereis no _______ to think more about the matter. Take it easy.
The whole meal was good but the wine____ particular was excellent[ ]
ing worked out the program, ________ leave the office
________ got on the train when it started to move.
I’m not going swimming tomorrow afternoon.—-__________. I have to clean up my bedroom.