No matter ______, please keep quiet in the library.
| A．where are you | B．where you are |
| C．who are you | D．who you are |
My parents went to Zhongshan _______ bike.
A. by B. on C. with
Look! The children _________ their classroom!
A. cleaned
B. are cleaning
C. are going to clean
How ________ you ________, Zoom?
A. do, feel B. are, feel C. are, feeling
What ______ Mike and Sarah going to do?
A. is B. are C. am
__________ dog has two tails.
A. A B. An C. The