--- Is this ______ apple? ---- No, it’s ______ orange.
| A．a; a | B．an; a | C．an; an | D．a, an |
They never gave up _______ hard to achieve their dream .
| A．working | B．work | C．worked | D．to work |
---Where_____ you _____ these days? I haven’t seen you long.
---To Britain. I left for London two months ago and returned last week .
| A．do, go | B．will, go | C．have, gone | D．have, been |
--- Look at ______ book on the desk . Is it ______ useful one ?
---Yes, it is . In the book there is much advice on how to learn math well.
| A．a, the | B．the, a | C．the, an | D．a, an |
---It seems that the kid is good at singing Beijing Opera.
--- __________.
| A．All right | B．That’s all right |
| C．You are right | D．You’re welcome |
The doctor ____ the crying baby but couldn’t find out what was wrong with it.
| A．looked after | B．looked over | C．looked for | D．looked out |