____Thewaterleftinthekettle,thedoctorputseveralthingsheunwrappedfromahandkerchief.
Whoistheman____(你刚才在操场和他握手)?
Thelittleboydidn’tknow_______.
Someconceptsmaybedifficulttograspchieflybecausetheymaybeunfamiliaror_____ideas,opinionswhichwealreadyhold.
—Doyoumind__________here?
—________.
