2019年mba考试英语模拟题——其他308

{01}He looks very tired . He ______ to bed too late last night.
A.must go
B.must have gone
C.could go
D.didn't go
解析：must 用于表示推测时，只能用于肯定句，完成式表示对过去情况的推测。
本题选B。
{02}---There is ______ on using mobile phones at the gas station.
---Do you mean talking on the mobile phone ______ at the gas station?
A.a ban; is banned
B.ban; banned
C.a ban; banned
D.ban; is banned
解析：考查ban的用法：做名词用，ban是可数的，做动词是“禁止”，句意是：--有个关于在加油站禁止用手机的禁令。--你意思是说在加油站打手机是被禁止的吗？用A。
本题选A。