Lanzhou is the only capital city that the Yellow River, the second ________ river in China, passes through.。
A. long B. longest C. longer D. length
Only when the work is done ________ be able to go back home.
A. you have B. you will C. will you D. have you
In this exam, you’re asked to write a composition of about ________.
A. 90-words B. 90-word C. 90 words D. 90 word’s
A direct order like “ Daisy, pass me the book” sounds rude. We’d better say: “________”
A. Daisy, could you please pass me the book?
B. Daisy, I wonder if can you pass me the book.
C. Daisy, give me the book!
D. Daisy, I wonder you can pass me the book.
— Come and join us, Ben!
— I’m afraid I can’t. I’m too busy now. If I ________ time, I would certainly go.
A. had B. will have C. have had D. have
Which of the following does paper burn in?
A. CO2 B. N2 C. He D. O2
