Alice is the most hardworking girl in her class, isn’t she ? ——-Absolutely! She _______ hardworking.

_____ your help, I won’t do the work well. [ ]

He is so fat because he usually eats sweat snakes ______ meals. [ ]

Bill is ___________ classmate. He is a friend of ____________, too.

___ do you play the piano every week?[ ]