—Listen, someone is knocking at the door.
—I ________ it.
A. should answer B. will answer C. answer D. have answered
The atmosphere gets thinner and thinner ________ the height increases.
A. while B. since C. as D. for
Studies show that people are more_______to suffer from back problems if they always sit before computer screens for long hours.
A. likely B. possible C. probable D. sure
It's surprising that your brother Russian so quickly－he hasn't lived there very long.
A. picked up B. looked up
C. put up D. made up
—I’m going to a party at Carol’s house.
—________. We’ve got two tests at school tomorrow.
A. Terrific B. You can’t be serious
C. Cool D. That couldn’t be better
The police have collected some information ______ the murder.
A. connected to B. connected with
C. connecting with D. was connected with
