You'd better take these documents with you（ ）you need them for the meeting.
You'd better take an umbrella with you （ ） it rains.
（ ）it is not his responsibility to do that, he said he would help.
It's really dangerous to work on the roof.（ ）, you should take care of yourself.
You must keep on working in the evening （ ） you are sure you can finish the task in time.
My secretary usually opens my post （ ）it's marked "private".
They wanted to charge ￥50,000 for the car, （ ） we managed to bring the price down.
He found it increasingly difficult to read, （ ） his eyesight was beginning to fail.
We thought there were 35 students in the dining hall, （ ）, in fact, there were 40.
They climbed to the top of the hill （ ） they could get a bird's eye view of the city.
You won't be able to find the job （ ） you start right now.
Excuse me for breaking in, （ ） I have some news for you.
（ ） you want me to fire you, I suggest you stop wearing sports clothes at office.
She looked at me （ ） I were a stranger.
—Will you go to the museum tomorrow? —Yes, I will go（ ）it’s windy.
Dad brought a notebook along to the beach, （ ） he was seized by sudden inspiration.
（ ）you eat the correct foods（ ）be able to keep fit and stay healthy.
I set up the computer （ ） they could work from home.
Five minutes earlier, （ ）we could have caught the last train.