________ all the lessons in Book II, Unit 5 is the most interesting.[ ]

I won’t go to see the movie tonight, because I my ticket.

You must look ______ your mother. She is ill now. [ ]

______does your mother work ? —-She works in a hospital.

There are 60 students in my class and 44 of them use weibo veryoften.—44? That means about_______of your classmates are weibo users, right?