My uncle is really busy. He_____comes to our home these days.

_Who is _____ English teacher, Lu Yu? _ Mr Tian teaches _______ English.

I don’t know when my son ________ back. When he_________ back, I’ll call you.

Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.

Which of the caps will you take?—I’ll take _______,one for my father ,the other for my brother.