Now the Chinese government has made laws ______ the people ______ in some public places like schools and hospitals.
| A．to protect, to smoke |
| B．to protect, smoking |
| C．to prevent, to smoke |
| D．to prevent, smoking |
They often play games ________ free time.
A. at B. on the C. in their
Helen never ________ a car to work. He _________ to work.
A. take; walks B. takes; walks C. by; on foot
---- _________ do you help your mother cook?
---- Once a week.
A. How long B. How C. How often
---- _________ do you usually go to school?
---- By bike.
A. How B. What C. Where
---- Oh, I lost my purse. I can’t find it.
---- ___________. Let me help you look for it.
| A．No problem | B．Hurry up | C．Take it easy | D．Of course |