A.timeB.periodC.lengthD.long
A. time
B. period
C. length
D. long
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A.heB.theyC.someoneD.nobody
A. he
B. they
C. someone
D. nobody
(41)
A. he
B. who
C. which
D. what
A.mendB.workC.makeD.change
A. mend
B. work
C. make
D. change
A.heardB.lookingC.foundD.seen
A. heard
B. looking
C. found
D. seen