Though he is 10 years old, he doesnt know that 2 ______ by 4 makes 8.
| A．multiplying | B．is multiplying |
| C．multiplied | D．is multiplied |
It is better to ask someone for advice rather than ___something.
A. risk doing B risk to do C to risk doing D. to risk to do
Tthe doctor advised her to wear flat shoes _____her back problems.
| A．on account of | B．in terms of | C．for lack of | D．on top of |
Could it be in the room we had a talk last night you left your keys ?
| A．that; where | B．in which; where | C．where ; that | D．where ; where |
____that the government can lead them out of the financial crisis ,people are optimistic about the future of the country.
| A．Convincing | B．Convinced |
| C．Having convinced | D．To convinced |
In the time of HINI, scientists ____ their spare time to conduct research on the ways of curing the disease.
| A．attributed | B．devoted |
| C．abandoned | D．sacrificed |