| If water becomes increasingly scarce in decades _____, water shortage will become a hot issue all over the world. |
A. coming B. having come C. to come D. to be coming |
| I admire my English teacher. I can remember very few occasions _____ she stopped working because of ill health. |
A. that B. when C. where D. which |
| Following the success Beijing olympics, Shanghai _____ 70 million people for the 2010 World Expo. |
A. expects B. is expected C. is expecting D. has expected |
| According to the newsman, as a result of _____ heavy fog, _____ expressway has been closed up until further notice. |
A. a; the B. the; 不填 C. 不填; an D. the; the |
| Having _____ no-meat day would be a good way of encouraging _____ low carbon lifestyle. |
A. a; the B. a; a C. the; the D. the; a |
| I think you should complain-_____, of course, you are happy with the way things are. |
A. if B. unless C. as D. because |
| _____ the address, Tom sent the email to his teacher. |
A. Having checked B. Checked C. Being checked D. To check |
| — Peter, would you like a beer to go with your meal? — Sure, it _____. |
A. ordered B. was ordered C. has been ordered D. has ordered |
| Oct. lst, _____ is our National Day, is always celebrated with singing and dancing. |
A. as B. that C. when D. which |