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I saw him _______ out of the room.
A. go B. had gone C. has gone D. goes
I saw him ______ at desk, reading.
A. sat B. seated C. seating D. seat
I saw him tearing the cover of the parcel.
A.off B.at C.down D.apart
I saw him leave the office an hour ago . He ____ at this time .
A . mustn''t be working B . can''t be working
C . can''t work D . may not being working