— is your grandmother?
—She is 80years old.
| A．How | B．How old | C．How many | D．What |
It’s important_______ the piano well.
| A．of him to play | B．for him to play |
| C．of him playing | D．for him playing |
—What’s the matter_______ Betty?
—She lost her wallet.
| A．at | B．for | C．in | D．with |
He is not good at learning English and he always does his homework_______.
| A．quiet | B．slowly |
| C．quick | D．careful |
The teacher was very pleased_______ Tony’s answer.
| A．with | B．on | C．in | D．for |
I think playing basketball is_______ dangerous than swimming.
| A．more | B．very |
| C．better | D．much |