Researches show that the taller you are, the more _______ you are to suffer back pain.
| A．likely | B．possible | C．perhaps | D．probable |
I tried to work on, but I was so tired that I could no longer _____ .
| A．bear out | B．hold on | C．hold up | D．work out |
---Let’s go to the lecture on International Trade this evening.
---That’ s great. I’ll _____ you at 6: 30.
| A．call up | B．call to | C．call for | D．call on |
Chemicals in the body _____ our food into useful substance.
| A．mix up | B．deal with | C．bring in | D．break down |
You may _____ studying English, but in the long run, you’ll be glad that you did.
| A．get interested in | B．make use of |
| C．get used to | D．get tired of |
David likes country life and has decided to _____ farming.
| A．go in for | B．go through | C．go on to | D．go with |