-How much difficulty did you have_______ this problem?
-_______. It's quite easy.
| A．to solve, Nothing | B．solving; None |
| C．to solve, None | D．solving; Nothing |
Uncle John promised to buy me ______ MP4 as my birthday present.
| A．a | B．the | C．/ | D．an |
All the new books _______ to the poor village next month.
| A．were sent | B．will be send |
| C．are sent | D．will be sent |
Lucy spent three years _______ Chinese before she came to China.
| A．on learning | B．to learn |
| C．learning | D．learn |
Tina used to __________a round face.
| A．is | B．have |
| C．be | D．has |
It was difficult for the rich _____ a happy life.
| A．to have | B．having | C．had | D．have |