Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
A、novelSometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
Ihavenotheardanythingfromhimsincehis_______.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
John_______tobeapoliteman.Butinfactheisveryrude.