Jeremy Lin ________ an unknown basketball player in New York Knicks for a very long time.
| A．used to be | B．used to being |
| C．is used to be | D．was used to be |
—You look rather tired. _______stop to take a rest？
—All right. But I’ll have to work for a few more minutes.
| A．Why not | B．Why don’t |
| C．What about | D．How about |
In my senior high school, I will ______ than I did in my junior high school.
| A．study more harder | B．be hardworking |
| C．work harder | D．study hard |
—We can use Wechat（微信） to talk with each other online.
—Really? Could you please show me how ______it?
| A．doing | B．to do | C．do | D．does |
—Mr. Smith, would you please speak a little more ________?
—Sorry! I thought you could follow me.
| A．slowly | B．politely |
| C．seriously | D．clearly |
—How clean the room is! —Yes，I am sure that someone _______ it.
| A．cleans | B．cleaned |
| C．has cleaned | D．had cleaned |