Modal verbs (can, could, must, should) GA

I ______ eat my dinner last night. My stomach hurt.

Rock climbing _____ be dangerous.

_____ you open the window, please? (polite request)

You _____ read the washing machine instructions carefully. If you don't, you will ruin your clothes.

At school, you ______ eat in class.

You ____ smoke here.

My brother ______ drive a car. He doesn't have his license.

____ swim when you were a child?

You _____ fail your exam! You've been studying for weeks.

She ____ train harder if she wants to break the record.