I called you at 4:00 yesterday afternoon, but no one answered.—Sorry, I ______ with my friends at that time.

He usually goes shopping ______ Sunday. [ ]

You’d betterbecause you have to drive back home. – OK.

Alanhis father and both of them are friendly.

Some of my classmates don’t like math because they think it’s boring.— I don’t like it, _____. I think it’s too difficult.