–The light in Bill’s office is still on. I wonder ______.
--Maybe at midnight again.
A. if will he stop working B. why he works so hard
C. how long will he work D. when he will stop working
Yesterday, Mr. Green went to his hometown and visited the old house ____ he was born in.
A. which B. where C. what D. it
–Oh, my God! I have ______ five pounds.
--Don’t worry. It’s normal for a growing teenage girl.
A. put up B. put off C. put on D. put down
As China grows stronger and stronger, Chinese ______ in more and more schools out of our country.
A. teaches B. is taught C. has taught D. was taught
I didn’t believe I could do it ____ I got to the top of Mount Tai.
A. unless B. until C. after D. as
--______ exciting the speech about “Belt and Road” was!
--Of course! It was a really great inspiration to the world.
A. How B. What C. How a D. What an
