33.—WhatdidMr.SmithdobeforehecametoChina?—He______inacarfactory.
A. works
B. worked
C. isworking
D. willwork
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34.—Whereismysister,mum?—She______tothelibrary.Shewillbebacksoon.
A. hasbeen
B. isgoing
C. hasgone
D. willgo
Mr.Whitecametoourschoolin2008,andsincethenhe________usEnglish.
A. teaches
B. taught
C. hastaught
D. willteach
36.—PleaseturnofftheTV.Thebaby______.—OK.I’llgooutforawalk.
A. sleeps
B. slept
C. issleeping
D. wassleeping
37.—Chinadevelopssofast.—That’strue.It______alotalready.
A. changes
B. changed
C. willchange
D. haschanged