With the debt problem worsening, it is going to be a ______ test for EU to help Greece out of trouble.

I think you should phone Jenny and _____ her for what you did.— No way. It is her fault. I’ll never ______ her for what she has done to my parents.

Generally, _____ to a university in western countries, international students need to prove their ability to speak English.

This morning my mother asked me________．

When first to the market, these products enjoy great success.