Your decision will affect your future study in college and your future job _______.

-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday ______ school ends．

He had his camera ready ________ he saw something that would make a good picture.

The lawyer rarely wears anything other than jeans and T-shirt ________ the reason.

He behaves _______ he were better than us.

You can get the best result ________ you carry out the experiment under the desired conditions.

     I admit that there are problems, I don’t agree that they cannot be solved.

—Are you going to stay overnight?
—Not _____ it’s really necessary．

We wouldn’t go to Philippine for our vacation         we could afford it．

Don’t give up regardless of difficulty and failure,       you’ll never achieve your goals