— Dad, would you please buy some strawberries for me? I love them. — I’d like to, but they are not _____ in winter.
It is very kind _______ you to help me with my housework. It is hard _____me to do all the work.
Many people think it very difficult _______ English.
The teacher asked the students __________ her _______ the word again.
Remember ______ the book here tomorrow.
---Let's have a rest, shall we? --- Not now. I don't want to stop _______ the letter yet.