小题1:Molly was singing at that time.(改为一般疑问旬) ________ Molly ________ at that time? 小题2:The Greens have worked in China for four years.(对划线部分提问) ________ ________ have the Greens worked? 小题3:Last year.we planted 110 trees.(改为现在完成时) So far,we ________ ________ 110 trees. 小题4:Mary has learnt Italian before.(改为否定句) Mary ________ ________ Italian before. 小题5:Mr. Smith has few friends,________ ________?(完成反意疑问句) |