If you meet trouble, you can ______ your friends ________ help.
My teacher said to me with a smile, “Well, you ________ to worry about your lessons.”
Mr. Wang is always the first one to be in the office ________ he lives far from his company.
My boss had an importing meeting this morning, ________?A. hadn’t he D. hasn’t he C. doesn’t he D. didn’t he
Whenever I receive a letter or photos from my best friend, I always feel ________.
When the astronauts came back from space, many reporters interviewed ________.