'Wh-'words+'to'-infinitives
用疑问词+动词不定式完成
A、chooseB、getupC、putD、takeE、talkaboutF、use
1、Manybusesgotothebeach.Itisdifficulttodecide________.
2、Thetourleaderwilltellthetourists___________theirbagsand__________forbreakfast.
3、Thestudentsarediscussing_________astheirclassmonitor.
4、Itisimportantforagoodspeakertoknow___________and__________bodylanguage.