doyouexercise?A．HowoftenB．Hows

____ do you exercise ?

A．How often

B．How soon

C．How long

D．How many

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The firemen soon ________ the big fire.

A．put off

B．put up

C．put out

D．put on

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Mom, I’m old enough to wash ________ own clothes and ________. You can have a rest after work.

A．my; your

B．my; yours

C．your; my

D．yours; mine

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Do you know a spaceship flies at about nineteen kilometers ________ second?

A．the

B．a

C．/

D．an

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— Morning, boys and girls! Please try your best in today’s exam! Good luck to all of you!
— ________

A．Sorry, I won’t.

B．Never mind .

C．Thanks!

D．Congratulations!

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—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.
—＿＿＿＿＿＿

A．I'm sorry about this.	B．No problem.
C．Sure, I'd love to.	D．Never mind.

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