don’t like to ask people for help as a rule but I wonder if you could ______ me a favour.

She felt so sorry that she burst into tears.– I’d rather you _____her all about that

（题文）I went along thinking nothing , only looking at things around me.

Mr. Black is a careful and experienfed engineer, so he is often _____ to finish some challenging tasks.

A survey indicates the _____ of men to women in the population has changed in recent years.