— Are you going to Beijing by air?
— It’s fast, but expensive. So I’m not sure. I _____ take a train.
A.may | B.will | C.must | D.should |
— Are you going to Beijing by air?
— It’s fast, but expensive. So I’m not sure. I _____ take a train.
A.may | B.will | C.must | D.should |