We have math ________ Friday. It’s difficult ________ interesting.[ ]

I hear that Lily’s brother is a worker here.—Look, the man _________ is working over there is her brother.

Mary___________ computer science last year.

I hope you _________ good results in the exam.

Why did your parents buy a shiny golden silk dress yesterday?—They bought it _____ me. It’s my birthday today![ ]