—Can I look at the menu for a few more minutes before I decide?
—Of course. _______, sir.
| A．Make yourself at home |
| B．Enjoy yourself |
| C．It doesn’t matter |
| D．Take your time |
It is reported that 40 percent of the land in Brazil________covered with trees.
| A．is | B．was | C．are | D．were |
The soldiers put up a strong________in order to protect their country.
| A．performance | B．breakdown |
| C．defence | D．system |
Last year the number of the students who graduated with a driving license reached 200,000, a(n)________ of 40,000 per year.
| A．average | B．number | C．amount | D．quantity |
Only after they had discussed the matter for several hours ________ a decision.
| A．they reached | B．did they reach |
| C．they reach | D．do they reach |
I don't think ________ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |