Steven went to help the others ________ he finished his work.
A.after B.although C.until D.since
You won't know the final result ________ you hold on to the end.
A.though B.after C.because D.unless
There will be less pollution ________ more people choose public transportation.
A.until B.though C.before D.if
Bob was talking with his uncle ________ his sister was dancing at the party.
A.though B.after C.until D.while
________ I know little about English, I can't understand this English text completely.
A.Although B.Since C.While D.Until
________ Tom isn't rich enough, he still spends much money on books.
A.Unless B.After C.Although D.Because
