— The light is still on in his room. Do you know _________?
— In order to practise for the English singing party.
A. if he works hard B. who he is studying with
C. why he is so busy D. when he will stop working
— You seem familiar with Mr. John?
—Of course, we _________ together for three years in the 1990s.
A. have worked B. were working C. are working D. worked
—_________ valuable advice you gave me! — I hope it can help.
A. How B. What C. What an D. What a
The song sounds beautiful and it makes me _________ my hometown.
A. laugh at B. write to C. think of D. find out
—I can't decide which book to read. —_________ you read the book review?
A. Why not B. Let's C. Why don't D. Perhaps
I think Jack does his homework _________ than anyone else in his class.
A. careful B. more carefully C. the most carefully D. more careful
