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-Save_______ energy, and produce _______ pollution.

A. more ; more B. less; more

C. less ; less D. more ; less

【題目】一 May I go now?
一 No, you . You stay here.
A.needn't; have to
B.needn't; must
C.mustn't; have to

B:Jim.

A. first name B. last name C. family name D. telephone number

A. What’s this? B. What color is it? C. How are you? D. Spell it, please!

【題目】—Students are supposed _______.
—I agree with you.
A.study hard
B.studying hard
C.to studying hard
D.to study hard

【題目】It's too late. It's time to go to bed. Lily, the TV.
A.switch on
B.switch off
C.turn up

A. comfortable B. difficult

C. different D. popular

【題目】—TV and computer are so popular these days.
—Yes, they can _______ our eyes to the outside world.
A.call up
B.open up
C.turn up
D.take up