Selecting a mobile phone for personal use is no easy task because technology so rapidly.

I am very tired these days because of studying for Maths. —Why not music It can make you .

The mayor of Zhuanghe City was ordered to resign because of his refusal to ________ when more than 1000 villagers got down on their knees before the city government office building, begging for his help.

It looks rain. Shah I take an umbrellafor you–________.

Betty swims ______ than I, But I doesn’t swim ______ Jim.