Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
A、decreaseAsateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
IntheUnitedStates,theforeignpolicyisdecidedbythe________government,notbyeachstate.
Pleasebeserious.Iamnot_______.Youshouldconsideritcarefully
Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.