问题
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;
B:must have bought
C:would buy
D:should buy;
正确答案是：
同类题型
tudent admitted ____ in the mathexam, _____ that he would never do that again in the future
u and I could hardly work out themathematic problem, _______
l now, more than 120world-famous enterprises ______ companies in Tianjin Binhai New Area.
She did what she could _______ us. Though 3,000 dollars is a lot of money for her.
Blue looks good _________ you, it means you look nice _________ blue.