2019年mpa考试英语真题——虚拟语气303

{01}He ____ you more help even though he was very busy . A.might have given B.might give C.may have given D.may give 解析：“may / might +不定式的完成式”表示对过去的行为不肯定的推测
本题选A。
{02}You don""t look well . You ____ have a fever . A.might B.can C.shall D.should 解析：肯定句中表示猜测可用 many 或 might。这时 might 并不指过去时间，只是语气比 may 更婉转。can 表示猜测常用于否定或疑问句中，有时也可用于肯定句，表示逻辑上的可能性。如：He""s in poor health . He can be ill at any time . (他身体差，随时可能闹病。)
本题选A。
{03}— There were already five people in the car but they managed to take me as well .
— It ____ a comfortable journey . A.can""t be B.shouldn""t be C.mustn""t have been D.couldn""t have been 解析：对过去推断要用“情态动词+have +p . p”结构。C项中 must 不能用于否定。
本题选D。