Fromtheviewpointofwordformation,theword“smog”isa______.
A、compound
B、conversion
C、clipping
D、blending
句子写作：Thepianoplayerbegantosingloudly.
Parents,teachersinschoolsandcommunicatorsinorusingthemassmediaareallcapableof________ourpotentialinterests.
A、raising
B、rising
C、arousing
D、arising
ThethemeofThanksgivinghasalwaysbeen________.
A、friendshipandhappiness
B、peaceandplenty
C、cooperationandrichreward
D、loveandhappiness
Iwasreallyanxiousaboutyou.You______homewithoutaword.
A、mustn’tleave
B、shouldn’thaveleft
C、couldn’thaveleft
D、needn’tleave