从方框内选择适当短语，并用其适当形式填空，有两个多余短语。（共5小题; 每小题1分，共5分）

calm down             sign up　　　gather around　　　in case make an effort　　　be addicted to　　　a variety of

【小题1】The doctor shares his phone number with the patients ____________ they need medical help.
【小题2】It is one of traditions for Chinese people to _______________ the table and talk during the Spring Festival.
【小题3】Granny’s hand was slightly shaky but she still _____________ to help the boy write a letter to Father Christmas.
【小题4】While mobile devices bring convenience to people’s life, it also causes ______________ problems among the teenagers.
【小题5】Jenny wanted to _______________for the school basketball team, hoping that one day he could become a professional basketball player.