____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.
| A．It | B．As | C．What | D．That |
Where on earth have you been? We you back much earlier.
| A．were expecting | B．are expecting | C．had expected | D．expect |
It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
--I’ve bought a box of chocolates for our daughter.
---Oh, how good a dad! But she doesn’t like sweet things, that?
| A．Don’t you know | B．Haven’t you known |
| C．Didn’t you know | D．Hadn’t you known |
---Bob’s the branches from the tree. Go and for firewood. Bill!
---Do you think I’m really for his kind of work?
| A．cut away; cut it up; cut through | B．cut off; cut it down; cut out |
| C．cut away; cut it up; cut out | D．cut off; cut it down; cut out |
Our house is on the top of the hill, and in winter the winds be pretty cold.
| A．must | B．ought to | C．can | D．need |