---Tom is always making so many mistakes in his English exercises! --- Yeah. If he ________ more careful, he ________ fewer mistakes.
--- This math problem is _____ hard for me to understand. Can you help me ? ----Sure. It’s my pleasure.
My mother often tells me______the teacher in class.
It’s always busy, so come earlier to get a table.
The expressions they use might whom they are speaking to or how well they know each other.
— It’s not enough an English club. You should also read English newspapers and magazines often. — Thanks for your advice.