Is this the school _______ you worked last year?

Tom, what do you think is the secret ____ writing in English—- ____ reading lots of English activities, you can improve it a lot.

You’ll have a difficult time knowing who your real friends are if you ______ rich in the future.

What happened to Mike —He had a stomachache. He began to work _______ having breakfast this morning.

________unpleasant weather! Mysister and I have to stay at home instead of going camping.