问题

Did you visit the famous museum? — No. We _____ it, but we spent too much time shopping. [ ]

A: could have visited
B: must have visited
C: can't have visited
D: shouldn't have visited

正确答案是：

同类题型

In this composition spelling mistakes ______ while grammatical ones are not so obvious.

The house stood _____ there had been a rock

Though________this time, I was not discouraged and made up my mind to try again the next time [ ]

More and more teaching _______ are being developed across the globe, which are sure to _______to make classroom teaching more lively and interesting. [ ]

_______ useful information you gave us!Thanks a lot! – Youare welcome.