Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
A、decreaseThismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
Muchofthenewsprovidedbythisnewspaperis_______,notforeign.
Althoughthetrfficisnotbusy,helikestodriveata_______speed.
Weare_______attherapidprogressMarkhasmadeinthissemester.
