The last bus has left ,so I ____ take a taxi to go home

问题描述:

The last bus has left ,so I ____ take a taxi to go home
A must B has to C have to D had to

答案:C
解析:A.must是必须的意思
B.has to因为主语是I所以应该用have
D.had to所表示的是过去完成时,而句子的意思是‘最后一班车已经走了,所以我不得不坐出租车回家’ 句子的时态是现在完成时
所以答案是C