1Thechildren()playcomputergamestoomuch.
Ashouldn'tBneedn'tCcan'tDwon't
2Intheschool,you()wearyourfavouriteclothes.Butyou()wearthemwhentherearesomeactivities.
Acan't,mayBmaynot,canCwouldn't,shouldDshouldn't,would
3Yourparents()worryaboutyouwhentheygoonbusiness.Youareabletolookafteryourself.
AmaynotBmustn'tCcan'tDneedn't
4Tom,haveyouseenLucy?Ican'tfindher.
she()beintheroom.Isawherplaybasketballontheplaygroundjustnow.
AshouldBcan'tCwouldDmust
5You'dbetter()herfirstnamenexttime.It'snotpolite.
AnottocallBnotcallCdon'tcallDcall
6Excuseme.()youpleaseclosethewindowIt'stoocold.
ADoBMustCWouldDShould
7Tonyissureto()passthisexambecausehehaspreparedwellforit.
AcanBcouldCbeabletoDwill
8Whydon'tyouacceptourteacher'shelp
Thanks,I().
AwillBmustCwon'tDmay
9MayIhandinthehomeworktomorrow?
No,you()withoutanygoodreasons.
Awouldn'tBmaynotCcan'tDneedn't
10Whataniceday!()wegoforapicnic?Great!
AShallBMustCCanDMay