主谓宾的肯定（有动词三单式）
（1）She ______ in the hospital. She is a ______.
A. works; nurse B. work; doctor C. works; farmer
（2）Tom’s uncle___ a new house.
A.have B.has C.there is
（3）Liu Tao’s mother
at home every day.
A.teachs B.is teach C.teaches
（4）They all
（work） in the factory.
（5）The man in blue
（teach） us English.
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