The scientists were waiting to see the problem _____.
| A．settle | B．to settle | C．settled | D．settling |
—Mum,it is nice weather.I want to skate this afternoon.
—Don’t you think the ice on the lake is too thin to __________ your weight?
| A．stand | B．bear | C．catch | D．take |
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 |