_____ you can understand how the human body woks, you need to have some knowledge of chemistry
| A．As soon as | B．Though | C．So that | D．Since |
Does it take you half an hour your homework in the evening?
| A．finishing | B．finish | C．finishes | D．to finish |
I like talking________ the football match_________ my friends after class.
| A．about, with | B．about, over |
| C．to, about | D．with, about |
People in America usually make to celebrate Halloween.
| A．rice dumplings | B．birthday cakes |
| C．moon cakes | D．pumpkin lanterns |
一What are you doing?
一I’m some cards for my friends．
| A．make | B．making | C．to make | D．makes |
Don’t play a trick _______ him.
| A．at | B．on | C．to | D．for |