Daniel is busy these days. I doubt he will come to my birthday party or not this Sunday.
| A．that | B．when |
| C．how | D．whether |
—What do you think of the program I am a singer Ⅲ ?
—______ exciting program it is! I like it very much.
A. What a B. How C. What an
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