Nowadays the roles of husband and wife are not as   defined as before, especially when both partners work and earn money for the family.

The guide told us that he would organize some business men abroad＿＿＿next week. 

—Do you think an advertisement is a help when you look for a job?—Well，it depends.________，it gives me a chance to try.

Can you believe that in _____ a rich country there should be _____ many poor people?

It’s always difficult being in a foreign country, ___________if you can’t speak the language.