When the soldier _____ his shirt, he discovered that his arms were black and blue.
| A．took on | B．took over | C．took in | D．took off |
We were told not to touch the equipment in the laboratory unless ________.
| A．allowed to do | B．allowing to do | C．allowed to | D．allowing to |
If you cannot have a good command of grammar as well as precise usage of each word you’ve learnt, it is ________ for you to use English flexibly.
| A．out of trouble | B．out of habit |
| C．out of the limit | D．out of question |
A new study of HIV-infected people in Haiti indicates that starｔing treatment early could save many patients who might _______ die of AIDS.
| A．somehow | B．anyway | C．therefore | D．otherwise |
Read the comics every day and _______ the ones that remind you of your life. Post them on the refrigerator or anywhere else you can see them frequently.
| A．cut out | B．cut up | C．cut down | D．cut in |
The participants were encouraged to _______ others in the class to do the project, and the entire team would get credit.
| A．keep up with | B．team up with | C．come up with | D．put up with |