请根据要求改写下列句子,每空一词。 小题1:Her father has been on the phone since half an hour ago. (对划线部分提问) _________ _________ has her father been on the phone? 小题2:I think diving is the most difficult activity of all. (保持句意基本不变) I think diving is more difficult than __________ __________ activity. 小题3:We can put those machines on the ground floor of the building. (改为被动语态) Those machines can __________ __________on the ground floor of the building. 小题4:The beach is a nice place for tourists. (改为感叹句) ___________ __________ nice place for tourists the beach is! 小题5:Pingping is so energetic that he can be a good monitor. (改为简单句) Pingping is ___________ ___________ to be a good monitor. |