31.—HaveyoueverbeentoShanghai?—Yes.I________thereafewmonthsago.
A. went
B. havegone
C. havebeen
D. hadbeen
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32.—WhatisTomdoingnow?—He______basketballoverthere.
A. isplaying
B. willplay
C. hasplayed
D. wasplaying
33.—WhatdidMr.SmithdobeforehecametoChina?—He______inacarfactory.
A. works
B. worked
C. isworking
D. willwork
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