If you don’t work _______ enough, I don’t think your dream will come _______.
| A．hardly, truly |
| B．hardly, true |
| C．hard; truly |
| D．hard; true |
--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.
| A．How long | B．How soon |
| C．How far | D．How often |
Many old people _________ his age die _________ cancer.
| A．at, in | B．of, of |
| C．at, from | D．of, in |
Look, the old man who is playingguitar is university teacher.
| A．the ; an | B．/; an |
| C．the; a | D．/ ; a |
_____, I practice speaking English in the park. The air there is very fresh.
| A．Sometime | B．Some times |
| C．At times | D．Some time |