问题
d to pause from time to time to wipe the sweat from his forehead, because the air—conditioning system ______________.
A:broke in
B:broke up
C:broke out
D:broke down;
B:broke up
C:broke out
D:broke down;
正确答案是：
同类题型
It is in the big factory ______________my father works.
I’m hungry. Is there any bread in the fridge– ______, but we have cakes. Would you like to have one
You’ve dropped “s” in the word “acros”.—Oh, letter “s” should be doubled like this “across”.
When can I see you again—___________ is fine with me. I’m free these days.