—Mum, I can’t see any point in studying hard.
—Come on, dear! Years of hard work will surely in your future career.
| A．pay off | B．pay back |
| C．make sure | D．bring back |
I tried my best to keep calm in face of the students, but the sweat on my forehead _____ me____.
| A．gave; away | B．tuned; down | C．showed; out | D．shut; off |
After retirement, Mr. Mike ______ drawing, which he had always loved but had not had time for.
| A．took up | B．got up | C．help up | D．looked up |
You’d better ______ some hot water into the teapot in case the tea cools down.
| A．add | B．fill | C．fill in | D．put |
Thomas Alva Edison didn’t “invent” the light bulb, but rather he ______ a 50 –year –old idea, which is not well –known.
| A．improved upon | B．take down | C．put up | D．break away |
Badly dressed and speaking in a strange way, he must have ______ to the people present to be a silly old man.
| A．appeared | B．pretended | C．shown | D．thought |