It’s a duty for friends to ________ each other when they are in trouble.

To tell the truth, if it were not for the fact that youmy daughter, I would not take such pains to serve you

Helen.do you know that Marin to my party next week –I think he will come if he free .

I oftenthe words I don’t know in the dictionary or on the Internet

It’s a pity that we can’t arrange for our agenda; otherwise we ______ far more freedom during the whole journey.