题目内容

There are many __________in organic foods.

A. benefit
B. beneficial
C. benefiting
D. benefits

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Conditions_____ farm to farm, so the experiment results are not reliable.

A. vary from
B. change
C. differ
D. varies from

Ms Li, our English teacher, __________ arrived at the classroom for her bag are already on the desk.

A. may not have
B. must have
C. should have
D. could have

Harry is feeling uncomfortable. He _________ too much at the party last night.

A. would have drunk
B. should drink
C. could drink
D. must have drunk

When the taxi driver started to_____________ him, he walked off.

A. swear by
B. swear at
C. swear off
D. swear in

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