Last night he saw two dark_______ enter the building and then there was the explosion
| A．features |
| B．figures |
| C．images |
| D．characters |
He wants to have ________ third cake，because ________ second one is too small.
| A．the；the | B．the；a | C．a；the | D．a；a |
A friend of mine will go to France________Hong Kong，and we agree to contact each other________email.
| A．via；by | B．across；with | C．over；by | D．with；via |
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 |