-- I spent three hours buying a train ticket at the railway station the other day .
-- Why ? You __________ one on the Internet or by phone .
A.could have bought | B.must have bought |
C.would buy | D.should buy |
推荐套卷
-- I spent three hours buying a train ticket at the railway station the other day .
-- Why ? You __________ one on the Internet or by phone .
A.could have bought | B.must have bought |
C.would buy | D.should buy |