It was __________ computer games that cost the young man a lot of precious time that he ought __________ on his lessons．

【2013届浙江杭州重点高中原创模拟】8. No one can ignore the fact that his wife is independent _______ her husband earns all or most of the family income.

I found Mary _________ a red blouse this morning.—But I think she looks better in yellow.

Could I have stamps—Sorry, I don’t have .

There are many insects in the world that never do _______ harm to human beings.