Before leaving home, make sure to turn off the electricity, lock the door, ______ the windows open.
| A．and not to leave | B．instead of leaving |
| C．rather than leave | D．and not leave |
If you are inposition of __ teacher, will you allow your students to play computer games all day long?
| A．/; a | B．a; / | C．the; / | D．the; a |
Once __________sport has become less popular, it has to make __________way for new sport which are more popular to enter into the Olympics.
| A．the；a | B．a；／ | C．／；the | D．the；／ |
—I was caught in the heavy rain, so I couldn’t be back by 7 o’clock.
—__________! Janna was here to see you.
| A．Good luck | B．What a pity | C．Never do it again | D．Well done |
Either you or one of your family members __________the opening ceremony next week.
| A．attends | B．attend | C．is to attend | D．are to attend |
Our class discussed the question of __________it is necessary for us students to use mobile phones on campus.
| A．if | B．where | C．whether | D．that |