They eat only plant foods, and take care to ________ animal products from other areas of their lives.
| A．contain | B．maintain |
| C．exclude | D．Include |
Do you have any idea ___ is actually going on in the classroom?
| A．that | B．what | C．as | D．which |
If one of the computers _______, the whole networks would be unable to work.
| A．broken down | B．broke up | C．broke out | D．broke in |
Poor Richard spent his last penny on a bowl of noodles. Now he is______.
| A．as strong as a horse | B．as busy as a bee |
| C．as poor as a church mouse | D．as cool as a cucumber |
The little time I had outside of school was _______ with work.
| A．taken on | B．taken off | C．taken up | D．taken away |
Many students ______independent learning skills because the education system spoon-feeds them.
| A．are lack in | B．lack | C．lack in | D．lack of |