题目内容
13.A.He's a doctor.B.He's quite thin.
C.He's 40 years old.
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3.---Where is your teacher?
---He _____________ the library.He ___________ the library for an hour.( )
---He _____________ the library.He ___________ the library for an hour.( )
| A. | has gone to; has been to | B. | has gone to; has been in | ||
| C. | has been to; has been in | D. | has been to; has gone to |