参考答案：一、1
that,were2
that,travels3
that,wouldbe4
if/whethertheycanspeak5
if/whether,areplaying6
if/whetherhehadfinishedhis7
howmanypeopleyoucansee8
wheresheparked9
whathe,talked10
whoknocked11
if/whether,lives12
hisnamewas14
if/whether,wanted15
if/whether,was二、1—5:DDDBB6—10:ACDBC11—15:CCBAD16—20:BCDAC21—25:DACCA26—30:DCCBA三、1
howsoon6
whether7
whether8
what四、1
if/whetherhewanted2
don’tthink,is3
whichtrousersshecan4
howtoget5
willthey五、1
willgo2
would5
works7
hadfinished8
helped10
