Shangri-la, a place of mystery and beauty, is indeed a heavenly world ______ people live in.
| A．who | B．which |
| C．when | D．where |
There serious air pollution if people use more and more cars.
| A．has | B．will be |
| C．will have | D．are going to be |
Bad luck! We Mount Emei when it rained heavily.
| A．climbed | B．are climbing |
| C．were climbing | D．have climbed |
–I’m not good at English, Amy. What should I do?
--You practice it more. For example, you read English every morning.
| A．should; shall | B．should; could |
| C．could; will | D．must; are able to |
she is used to ______ Englsh after she gets up every morning.
| A．read | B．reading |
| C．to read | D．reads |
–When will the plane ?
-- In half an hour.
| A．put off | B．take away |
| C．take off | D．run away |