-- _____ I ask you a question, Mr. Wang? -- Yes, you _______.
—Why didn’t you ask me to help you with your work? —You are so busy. I won’t ___________ much of your time.A. take up B. take off C. take to
The number of the students in our school____about 1000 and a number of them____boys.A. are ;is B.is;is C.is;are
The book is worth____.A. to read B.reading C.read
The river has become much ______ than before because of the waste water from the factories.A. dirty B. dirtier C. Dirtiest
.一Would you please pass me something to drink?一What about some___?A. green tea B. bread C.Fish