Cars play an important role in modern life, but they ______ also cause many problems like air pollution.
| A．should | B．can | C．must | D．will |
We’ll buy a11 the products in your storehouse，of course the price is reasonabte．
A．provided B．unless C．though D·until
Usain Bolt，best runner，ranfastest in last race in the 2008 Olympic Games．
A．／；／；the B．the；／；／ C．the；／；the D·the；the；／
It was getting dark. I found a car _____ in a pool by the side of the road.
| A．to be stuck | B．stuck | C．sticking | D．stick |
It’ll do harm to you to lie in bed _____.
| A．read | B．and reading | C．to read | D．reading |
I have collected the money _____.
| A．to need | B．needed | C．need | D．needing |