I always help my sister _____ her history.
— What’s the matter with Betty? She likes the book, but she will not buy it.— Betty saves her money _____ buy her mother a present on Mother’s Day.
The air in Beijing is ________ better than usual during the APEC.A. many B. much C. more D. Most
— How much does your new i-phone 6 ________?— More than 500 dollars.
— I’m not good at English Writing.— I think you need more _________ to improve it.
The girl is good at science and she always finishes her science homework _________ in our class.