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mymotherspends2hours()houseworkA:inB:onC:todoD:BandC
题目详情
my mother spends 2 hours()houseworkA:inB:onC:to doD:B and C
▼优质解答
答案和解析
答案：D
on和 to do 都可以.
介词on +名词可以表示从事某事；正在做某事
用动词不定式to do也可以表示做某事.
on和 to do 都可以.
介词on +名词可以表示从事某事；正在做某事
用动词不定式to do也可以表示做某事.
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