问题

This machine . It hasn’t workedfor years.
A:didn’twork
B:wasn’t working
C:doesn’twork
D:isn’t working
B:wasn’t working
C:doesn’twork
D:isn’t working
正确答案是:
同类题型
____ for London on business upon my arrival, so I didn’t see him.
________ you interrupt now? Can’t you see I’m on the phone?_ Sorry, Sir, but it’s urgent.
Is there ___________ you’d like to buy— Yes, I’d like to buy some magazines.
______ is reported in the newspapers, talks between the two countries are making progress.