ering your income, you should be able to ______at least twenty dollars a week

下列各项中划线词语的意义和用法相同的一组是 （ ）

Hurry up! If we miss last bus, we’ll have to go home by taxi

on’t you think it’s OK to play once in a while it doesn’t affect my studies

When can I use your computer?— Never!________should you touch it.[ ]