Doing your homework is a sure way to improve yor test scores, and this is especially true ____ it comes to classroom tests.
| A．before | B．since | C．when | D．after |
相关试题
For many years, people electric cars. However, making them has been more difficult than predicted.
| A．had dreamed of | B．have dreamed of | C．dreamed of | D．dream of |
—Would she mind playing against her former teammates?
—She is willing to play against any tough players.
A．I think so. |
B．I’m  not surprised. |
C．Of course. | D．Not likely! |
It is uncertain side effect the medicine will bring about, although about two thousand patients have taken it.
| A．that | B．what | C．how | D．whether |
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |
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