They must have finished the work by the end of last month, ______?
| A．hadn’t they | B．mustn’t they | C．haven’t they | D．didn’t they |
58. --- Do you still remember when we went to the Summer Palace?
--- I can’t remember it well, but it _____ sometime last July.
| A．must have been | B．might be |
| C．could be | D．might have been |
59. The _____ of blood always makes him feel sick.
| A．view | B．look | C．sight | D．Form |
60. At the sight of the scene of war, my _____ race back more than 50 years to the dark days of 1940.
| A．minds | B．memories | C．thoughts | D．Brains |
61. If you have to plough the field anyway, you _____ as well plant crops at the same time.
| A．might | B．must | C．will | D．should |
62. He may have seen the film when it was shown last week, _____ he?
| A．can’t | B．isn’t | C．didn’t | D．hasn’t |