The mobile phone has influenced people’s life a lotsince it .

I hear you’ll take part in the English contest.—You’re right. I think it’s a great ________ for me.

It is uncertain ______ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it.

Many useful suggestions were ______ at the meeting to ensure people can live a low carbon life.

The parents seemed satisfied with the news __________ their son had been employed by a large company.