Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
A、decreaseThismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
Allthememoriesofhischildhoodhad_______fromhismindbythetimehewas65.
IntheUnitedStates,theforeignpolicyisdecidedbythe________government,notbyeachstate.
