When I was young, I was told that I ______ play with matches
| A．wouldn't | B．needn't | C．mustn't | D．daren't |
-------John and I will celebrate our fortieth wedding anniversary next month.
--------Oh, _________!
| A．cheer up | B．well done | C．go ahead | D．congratulations |
As your instructor(教师) advised, you ought to spend your time on something ____ researching into.
| A．precious | B．worth | C．worthy | D．valuable |
_____ the fact that his initial(开始的)experiments had failed, Pro. White persisted (坚持) in his research.
| A．Because of | B．As to | C．In spite of | D．In views of |
. -------Do you have enough to ________ the cost of your board at school?
-------Oh yes, enough and to spare.
| A．cover | B．spend | C．fill | D．spare |
When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life.
| A．were hanging | B．had hung | C．hung | D．would hang |