I’m not sure_______.
| A．that has he been to Hong Kong |
| B．if has he been to Hong Kong |
| C．if he has been to Hong Kong or not |
| D．whether he has been to Hong Kong or not |
(原创)The coat on the bed _______more than 100 yuan.
| A．spent | B．took | C．cost | D．paid |
--- Whose volleyball is it?
--- It ________ be Carla’s. She doesn’t like volleyball.
| A．can’t | B．might | C．could | D．must |
Mum, what are you cooking? It ______ so sweet.
| A．tastes | B．feels | C．sounds | D．smells |
—I want to know if Mary ______ us in the art show tonight.
—I believe if she ______ her homework, she will join us.
| A．joins; finishes | B．will join; finishes |
| C．joins; will finish | D．will join; will join |
We should keep our classroom
| A．clean | B．cleaning | C．cleaning | D．cleans |