My best friend often tells me some jokes to make me

A big earthquake hit Japan _____ the afternoon of March 11th, 2011.[ ]

I didn’t see you at the party yesterday. Why? — Because I ________ for an important person from America at that time.

What do you think of your new friend Annie? —She’s a top student(好学生). But she is at sports than me.

As teenagers, we should _____ seats to anyone in need when taking a bus.—I agree with you.