______ I failed in English a third time, I had no doubt about my gift for foreign languages.
A.By the time | B.Until | C.After | D.Unless |
--- May I go and play with Dick this afternoon, Mum?
--- No, you can’t go out _____ your work is being done.
A.before | B.until | C.as | D.the moment |
We have to realize: boys share activities, _________ girls share feelings.
A.while | B.when | C.as | D.since |
The most important thing about my job is ______ I help protect ordinary people from the volcano.
A.how | B.that | C.what | D.不填 |
You can make a complaint to the local government ___ you are happy with the way they deal with the matter.
A.unless | B.if | C.once | D.as |
Do you have any idea it takes to successfully reach the top of Mount Everest?
A.whether | B.how | C.which | D.what |
I have a tight budget for the trip, so I'm not going to fly _ the airlines lower ticket prices.
A.once | B.if | C.after | D.unless |
The question_______ you should take this medicine should be decided by your family doctor.
A.why | B.if | C. whether | D.that |
Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more.
A.while | B.or | C.for | D.so |
_______ the house is empty, memories flood my mind of a time when it was filled with life.
A.Since | B.Unless | C.As if | D.Even though |