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A.endedB.has endedC.had been endingD.had ended

A. spared B. protected

C. preserved D. developed

-I'm not sure. She ____ be in the laboratory

A. might B. can

C. must D. should

— I’d love to!

A.sinceB.asC.whileD.for

A.She saw the man run out.

B.She thought the man’s laundry was done badly.

C.She was sorry the man couldn’t finish his laundry.

—He exercises there twice a week.

A. How soonB.How often

C. How long D. How far

A.whereB.thatC.whenD.which

—We _____ a show to spread the message about protecting the environment.

A. put on B.put up

C. put away D. put

— ________ in heavy traffic just now made me nervous.

A.DriveB.To driveC.DrivenD.Driving

A.She didn’t clean the apartment.

B.She’ll help the man clean his apartment.

C.She needs to clean the lab.