书名：朗文Intermediate Practice Test3
页数：
题目：107,152
疑问：
107.When I arrived at the Emergency Pesponders meeting, coffee ___
(A)was serving (B)was being served (C)served (D)had served
如果你是考生你会选哪个?
152.PLEASE let me know if you hear of any offices that might be ___ to my
needs.
(A)suit (B)suite (C)suiting (D)suitable
为什么A不能选?