. It was not until she got home ___ Jennifer realized she had lost her keys.

______you’ve got a chance, you might as well make full use of it.

______matters most in learning English is enough practice.

It didn’t surprise us at all________caused his success.

Napoleon’s story proves that to be a hero has nothing to do with size, _______with a smart mind and a brave heart.

The art centre is _____ used to be a factory, _____ millions of tractors were made.

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

When I got New York, I had to attend a school for students_____first language was not English.

---Are my clothes too casual?
---No．You can go______you are.

QQ, ______you can chat with your friends, makes communication easy.