You will be late you leave immediately.
A.unless B.until C.if D.or
My parents don't mind what job I do ____ I'm happy.
A.even though B.as soon as C.as long as D.as though
---When has the country been open to international trade?
---____ 1978,I suppose
A.Since B.In C.From D.After
They live in a small village. They always keep candies in the house ___ there is a power out.
A.if B.unless C.in case D.so that
If you are traveling ____ the customs are really foreign to your own,please do as the Romans do.
A.in which B.what C.when D.where
In peace,too,the Red Cross is expected to send help ___ there is human suffering.
A.whoever B.whatever C.however D.wherever
I'd like to arrive 20 minutes early ____ I can have a cup of tea here.
A.as soon as B.as a result C.in case D.so that
You can't borrow books from the school library ___ you get your student card.
A.before B.if C.while D.as