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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Teacher_______ideas with each other as they prepare for class.
A.
exchange
B.
don’t exchange
【单选题】Mary has a great math professor. His classes are always interesting.
A.
Aprofessorisauniversitystudent.
B.
Aprofessorisauniversityteacher.
【单选题】My university has a big campus. It has more than 100 buildings.
A.
Acampusisallthebuildingsandareasataschool.
B.
Acampusisthestudentsandtheteachersataschool.
【单选题】Matt can’t go on the Internet in his room. He goes to a café to check his email.
A.
Mattcangoonlineinhisroom.
B.
Mattcan't goonlineinhisroom.
【单选题】James is active. He plays soccer and basketball. He also belongs to the Spanish club.
A.
Jamesdoesalotofthings.
B.
Jameshasalotoffriends.
【单选题】Writing is an important skill. Emma writes every day. She wants to be a good writer.
A.
Playingtennisisalsoaskill.
B.
Watchingtelevisionisalsoaskill.
【单选题】David is from France. For David, Korean is a foreign language.
A.
FrenchisalsoaforeignlanguageforDavid.
B.
SpanishisalsoaforeignlanguageforDavid.
【单选题】John gets good grades, so he is in special classes. His classes are difficult.
A.
John’sclassesaredifferentorunusual.
B.
John’sclassesarenormalorregular.
【单选题】A community is a group of people. They live or work in the same area.
A.
Abusstopisakindofcommunity.
B.
Atownisakindofcommunity.