（2017·四川德阳·33）My mother has taught in this school________ she was twenty years old.
A.for B.until C.because D.since
—Did the doctor ________ your temperature?
—Yes, he did. But I didn't have a fever.
A.do B.spend C.bring D.take
When a virus comes into our body, we get ill. The same thing also happen to a computer.
A.should B.need C.can D.must
（2017年安徽）---Is this iPad yours?
---Yes. My parents bought _____ for my language learning.
A. one B. it C. other D. another
I have some problems with my English writing. Can you give me some ________?
A.advice B.decisions C.information D.messages
Tom Sawyer was written by ________ famous American writer, Mark Twain. I enjoy reading ________ book.
A.the; the B.an; the C.the; a D.不填; 不填
