---Excuse me, sir. Could you please tell me _______?
--- Sorry, I don’t know. You can go to the information desk.
A.Where there was a plane B. when the plane will leave
C. which plane can I take D. where does the plane leave
---Jim, can you finish your homework on time?
---______. I can finish it.
A.It’s a piece of cake B. It depends
C. Practice makes perfect D. I’m afraid not
We are sure to enter a better high school ________ we work hard.
A. as soon as B. as long as
C. as if D. even if
We must protect water from being _________, because it’s the source of life.
A. polluted B. provided
C. finished D. punished
My father ______ in China for 20 years already. He thinks his job is great.
A. will work B. works
C. has worked D. is working
______ good advice the teacher gave me!
A. How B. What C. What a D. How a