Simon made a big bamboo box the little sick bird till it could fly．
| A．keep | B．kept | C．keeping | D．to keep |
The research results show that the earth goes a little faster ______it is closer to the sun.
| A．as though | B．so that | C．than | D．when |
— What can I do for you?
— I’d like to borrow ______ book about ______ Pacific Ocean.
| A．the, 不填 | B．a, the | C．不填, the | D．a, 不填 |
It is the _______in the country to go out and pick flowers on the first day of spring.
| A．use | B．habit | C．custom | D．hobby |
---Poor Steve! I could hardly recognize him just now!
---__________. He has changed so much!
| A．Never mind | B．No problem |
| C．Not at all | D．Me neither |
If it is __________ for you to go out tonight, would you like to go to the cinema with me?
| A．practical | B．necessary | C．convenient | D．grateful |