______hardworkitis!
C
暂无解析
I______thatIwereabird.
—Haveyoufinishedthework?
—Notyet,butnomatterhowharditis,we'llkeep___untilwemakeit.
It’snecessary______ustokeepourpetscleaneveryday.
Writing:
Anoldsayinggoes“hastmakeswaste”.Writeacompositionofabout400wordstostateyourviewonit.
Theradiois________astrangesignal.What’swrongwithit?