How happy we _______, if you had come with us to the party.
| A．could be | B．may have been |
| C．would have been | D．were |
74. --- Sally, would you ______ the story?
--- But I told the second part of the story this morning! It should be Jean’s turn.
| A．pick up | B．put up | C．bring up | D．make up |
75. When on holidays, the railways put on _____ trains to make people’s travel more convenient.
| A．regular | B．special | C．particular | D．Unusual |
76. All flights _______ called off because of the terrible weather, they had to go there by train.
| A．were | B．had been | C．being | D．having been |
77. --- Have all the important letters been delivered at the first time?
--- I’m sorry. _______ only 40% of them.
| A．It is | B．They are | C．There are | D．It has been |
78. --- You _____ repay this debt this week according to the agreement.
--- Don’t worry. I _______ pay it off before the deadline.
| A．must; will | B．shall; must |
| C．should; am due to | D．shall; am bound to |