My grandma started using Weibo at the age of 70. She always says it’s never ____ old to start doing things.
| A．too | B．so | C．enough | D．quite |
--- _______ 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 |
The winter holiday will begin soon. John _____ to stay with us.
| A．will be coming | B．comes |
| C．came | D．is coming |