This nationwide smog should serve as a reminder to all, indicating a high time that we ______ on what we've done to the environment.
| A．have reflected | B．are reflecting | C．will reflect | D．reflected |
I was paid last week,but I can’t remember the exact __________ of the money.
| A．number | B．value | C．amount | D．percent |
—He always appears when we are in trouble.
—We can find a true friend _________ him.
| A．in | B．of | C．from | D．on |
Playing tricks on others is __________ we should never do.
| A．anything | B．something | C．everything | D．nothing |
In 1998,great floods __________ the southern states of China.
| A．struck | B．happened | C．beat | D．took place in |
We needed a new cupboard for the kitchen.So Peter made __________ from some wood we had.
| A．it | B．one | C．himself | D．another |