1 . At that time, people ______that all species had appeared on Earth at the same time, and ______since.

A．was believing; didn’t change	B．believed; hadn’t changed
C．had believed; hadn’t changed	D．believed; haven’t changed

2 . —What was the party like?
—Wonderful. It’s been years _______ I enjoyed myself that much.

A．after

B．before

C．when

D．since

3 . It can be very________ (benefit) to share your feelings with someone you trust. (所给词的适当形式填空)

4 . They b____________(表现) differently when you’re not around. (根据中英文提示填空）

5 . In general, comments sections on the web tend to be ________ with insults and attacks, while adding little of substance to the debate.

A．leveled

B．furnished

C．blessed

D．filled

6 . I believe China has masses of reasons to be such a host and what China can contribute to the Olympics is not ________ a ticket design.

A．merely

B．scarcely

C．barely

D．rarely

7 . The broadly-knowledgeable professor told us every part of the materials should be made use of ________ the power plant.

A．build

B．building

C．to build

D．built

8 . We all look up to her for her honesty and______(brave). (所给词的适当形式填空）

9 . Take a taxi,         you'll miss your train.

A．and

B．if

C．otherwise

D．but

10 . — Which of the two films did you prefer?
— Actually I didn’t like ______.

A．either of them

B．both of them

C．none of them

D．neither of them