高考英语单选题
1、Weareallembarrassedatthesight:SomeChinesevisitors_____rubbishontheGreatWall,followedbyaforeigner_____upthelitter.
A.dropping;pickedB.dropping;pickingC.dropped;pickingD.dropped;picked
第一空为什么填dropping不填dropped
2、-Hashechangedhismind?
-Yes.Aftersomehoursofdiscission,I______totalkhimintoaccepingthenexplan.
A.hadmanagedB.wouldmanagedC.havemanagedD.managed
为什么选D不选C?
3、Sometimes,_______weshowourgratitudeforapersonisreflectedinthekindoffoodweservehimorher.
A.whenB.whetherC.whyD.how
为什么选D不选B?