29.—Where'syourfather,Tom?—He toChangsha.
A. goes
B. went
C. hasgone
D. hasbeen
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WhenIcamebackyesterdayevening,mybrother________hishomework.
A. isdoing
B. hasdone
C. wasdoing
D. did
31.—HaveyoueverbeentoShanghai?—Yes.I________thereafewmonthsago.
A. went
B. havegone
C. havebeen
D. hadbeen
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