2019年mpa考试英语真题——动词的时态133

{01}If there is a strike of bus drivers, they ________ walk to school tomorrow．
A.may have to
B.must have to
C.may have
D.must have
解析：have to意为“不得不”。可以用在may之后，但是不能用在must之后。
本题选A。
{02}The problem ________ at present is the global financial turmoil(全球经济动荡)。
A.discussed
B.being discussed
C.having been discussed
D.to be discussed
解析：
本题选B。
{03}The fire spread so quickly that they soon ________ it．
A.caught
B.were caught in
C.were catching
D.were caught by
解析：
本题选B。