---I’m too busy________ to my family often.
--- Why not call them instead ?
| A．writing | B．write | C．written | D．to write |
My mother is sleeping .Don’t _________.
| A．wake up he | B．wake her up |
| C．woke she up | D．wake up she |
I like playing _________ piano. I also like playing ______ football.
| A．a ,a | B．the, the |
| C．the,/ | D．/,the |
It’s silly you your car at such a low price．
| A．for; to sell | B．of; to sell |
| C．for; sell | D．of; sell |
Do you think _________ should be allowed to drive?
| A．sixteen-year-old | B．seventeen-year-olds |
| C．fifteen-year-old | D．eighteen-years-olds |
Swimming is good _____ our health, but at the same time we mustn’t forget the danger．
| A．for | B．at | C．on | D．with |