—What worried him so much?
—His hair is __________ grey.
| A．going |
| B．becoming |
| C．turning |
| D．staying |
Fruit and vegetables in areas_________ there is enough water.
| A．grows; that | B．are grow; where | C．growing; that | D．are grown; where |
The Tibetansin the Himalayas for centuries and have adjusted to the conditions at________.
| A．has live; a such great height | B．have live; such a great height |
| C．has lived; a such great height | D．have lived; such a great height |
Once you are , your life will change!
| A．Xperience; truely | B．Xperienced; truly |
| C．Xperiencing; truly | D．Xperienced; truely |
In buses, all of us _________ thieves.
| A．keep an eye out for | B．are keep an eye out for |
| C．are kept an out for | D．keep eye out for |
In the near future, China will increase supply of smaller houses, to help low-income families to buy houses of their own.
| A．aims | B．being aimed | C．aiming | D．having aimed |