I exercise every day, so I am _____ healthy.
---Would you like_____ to drink?---Yes, I’d like a cup of coffee.
She hardly ever speaks French after class, for she is afraid ______ mistakes______ grammar.
.If you meet some new words, you can _____ in a dictionary.
---How do you study ____the final test?---I study ____ working with a group.
--I’m worried about my math exam.---______.I believe you can pass it.