1 . You ________ ride your bike so fast. It is very dangerous.

A．won’t

B．don’t

C．shouldn’t

2 . Li Ming is active and outgoing ________ his sister Li Hong is shy and quiet.

A．when

B．what

C．while

3 . —Which of the shirts do you like better?
—I’ll take ________. They are expensive and out of fashion.

A．both

B．either

C．neither

5 . The road is very ________ after the heavy rain. Drivers are warned to drive carefully to avoid accidents.

A．empty

B．dangerous

C．beautiful

D．dirty

6 . —You ________ be very tired after finishing all of those hard jobs.
—Yes. I’ll take a deep rest and make myself comfortable.

A．may

B．may not

C．must

D．can’t

7 . Mark just phoned to say he’d left his coat behind. Do you know if this is ________?

A．mine

B．hers

C．his

D．its

8 . Many students lose marks simply ________ they do not read the questions carefully.

A．unless

B．so

C．before

D．because

9 . Linda is afraid of the dark. She even leaves the ________ on while sleeping.

A．screen

B．radio

C．fan

D．light

10 . —What do you think of your hometown, Zhao Min?
—Very beautiful. ________ in summer, lots of visitors come here to have fun.

A．Quickly

B．Especially

C．Finally