I have trouble _____ my new computer. —Don’t worry. I’ll show you how ____it.

do youchoose to work in an international travel agency一 Well,you know, English is my. So it is my best choice.

past half-century, average incomes _______ quickly indeveloped countries, yet happiness levels have remained almost the same

Didn’t it occur to you ______ we could have solved the problem in an easier way

The restaurant is ______ my uncle[ ]