It is very kind _____ you to help me with my lessons. It is difficult _____me to learn them well.
I am afraid of water. I go swimming in the river.
Joe Jim may go with you because one of them must clean the room at home.
The ice-cream good. Do you want to eat some?
What rules you have to obey(服从)?
—What do you usually do on the weekend? —I usually help Scott his Chinese.