I’m afraid we give you an answer today．
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
The parents waved and _____ the train until it was out of sight.
| A．saw | B．noticed | C．observed | D．watched |
Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
| A．whether | B．what | C．which | D．that |
My sister has been feeling ______ since she started her first job. She can’t sleep well.
| A．stressed | B．unpleasant | C．confident | D．sudden |
Not only ______ a city and a republic, but ______also to become the capital of one of the largest empires in history.
| A．was Rome; was it | B．was Rome; it was | C．Rome was; was it | D．Rome was; it was |
Two hundred people showed up for the wedding, about 50 more than we had ____planned.
| A．firstly | B．temporarily | C．actually | D．originally |