After the quarrel, I tried all my best to fix the misunderstanding between us, but all my efforts seemed ______.
| A．in trouble | B．in case | C．in time | D．in vain |
__ will be good for you to spend one hour exercising outdoors every day.
| A．That | B．This | C．It | D．One |
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 |