【一、用所给动词的适当形式填空.Jim,togetherwithhisclassmates,______(play)tabletennisnow.LastSundaymorning,ididnotingbut______(write)alettertomygrandma.Whenthetraffic______(stop),youcancrosstheroad.Theyneeded_____】
一、用所给动词的适当形式填空.
Jim,togetherwithhisclassmates,______(play)tabletennisnow.
LastSundaymorning,ididnotingbut______(write)alettertomygrandma.
Whenthetraffic______(stop),youcancrosstheroad.
Theyneeded______(climb)thetreewithaladder.
一、单项选择.
( )1.Tigersliveasafamily______babytigersare2-3yearsold.
A.and B.but C.or D.until
( )2.Ifidon'tbuythem,______willbuythem.
A.elsesomeone B.elseanyone C.someoneelse D.anyoneelse
( )3.It isverydifficult______giantpandas______inthewild.
A.of,tosurvive B.for,tosurvive C.for,surviving D.of,surviving
( )4.Iwon'tbelievethat hecandoit______iseeitwithmyowneyes.
A.until B.after C.when D.if