-- Are the books ________? -- No, they belong to ________.
---________ is the population of your city?--- About seven ________.A. What; millionsB. How many; millionsC. What; million
Class, listen up! I have ________ to tell you. Please come here.A. anything goodB. good somethingC. something good
If you are in trouble, why________ ask the police for help?A. not to B. don’t you C. not you
Please try________ late again next time. You should be on time.A. not to be B. not be C. to be
Guangzhou is ________ the south of China and is a very busy city.A. in B. on C. at