–Would you like some bread? ---____.
You're supposed ______ your room up before you go out. A. to clean B. clean C. cleaning
All the students in the classroom do their homework ______. A. enough careful B. careful enough C. carefully enough
—Whose room is this? Is it the______? —Yes, it is ______. A. twins'; Tom and Tim's B. twin's; Tom's and Tim's C. twins'; Tom and Tim
—Many people talk about "Didi". I really wonder ______. —You call to order a taxi through it on your mobile phone easily. A. how can I use them B. who uses them most C. what they are used for
—How far is it from Beijing to Haikou? —It's a______ flight from Beijing to Haikou. A. 3-hour-long B. 3 hours long C. 3 hours' long