Exercise 3
I. Choose the best answer.
( )1. Art learning develops our creative ideas, ______ other courses can't replace it.
A. so
B. but
C. or
D. and
( )2. For kids, playing computer games is ______ escape from busy, stressful study.
A. the
B. a
C. an
D. /
( )3. When you are ______ trouble, you should turn to the police for help.
A. on
B. in
C. for
D. out of
( )4. Boris burst out ______ when hearing the death of his grandma.
A. to cry
B. cried
C. cry
D. crying
( )5. It's essential ______ a mask to keep safe in a crowded public place.
A. wore
B. to wear
C. wearing
D. wear
( )6. The music sounds ______ so that millions of music lovers have downloaded it.
A. lovely
B. sweetly
C. pleasantly
D. beautifully
( )7. From the ______ look on his face, Mr Hu must be ______ at our poor performance.
A. disappointing; disappointed
B. disappointed; disappointed
C. disappointed; disappointing
D. disappointing; disappointing
( )8. Kids showed mixed ______ about the ban (禁令) on smart phones.
A. excitement
B. expressions
C. feeling
D. emotions
( )9. The boy ______ along the street when a robber appeared in front of him.
A. is walking
B. walked
C. was walking
D. walks
( )10. Space scientists wonder ______ life exists on another unexplored planet.
A. whether
B. what
C. that
D. where
( )11. Jill ______ be the thief, because nothing proves her guilt.
A. must
B. mustn't
C. can't
D. can
( )12. Anna's never been to Shanghai, ______?
A. hasn't she
B. has she
C. isn't she
D. is she

Complete the following passage with the words in the box. Each can be used only once.
A. silent
B. quietly
C. even though
D. like
E. so that
F. length
G. exa
On her way home from school, 9-year-old Gaynor saw a silver object shaped a saucer in a field not far away from her home.
The strange spacecraft was about 30 feet in and 9 feet in height. It had windows along the sides.
Gaynor was very frightened, but she lay on the long grass, watching the do
en.