Lei Feng is always ready to help others when they are in trouble and he never ______ their request.
| A．turns up | B．turns over | C．turns in | D．turns down |
—I wonder why Suzan looks worried today.
—I’m not sure, but she ________a small accident driving here.
| A．could have | B．might have | C．might have had | D．must have had |
He made it pretty clear from the beginning that we were going to war. _____ she still pretends that she knew nothing about it?
| A．Even though | B．How come | C．Now that | D．What if |
We’re living in a society_______exchanging presents is an important part in communication.
| A．which | B．when | C．why | D．where |
The survey __________ our school last month shows that about 2 percent of the students are addicted to Internet games.
| A．conducted | B．having been conducted | C．conducting | D．to be conducted |
Used to TV show, where everything is quick and entertaining, many people do not have the _______ to read a book that requires thinking.
| A．freedom | B．patience | C．wisdom | D．courage |