Ms Wang the book for five days.

下列各组词语中，字形及加点字的注音全都正确的一组是（　　）

$100 a month could hardly thecost of his life in such a big city in this country.

If I were you, I would take it easy; ________ is no need to be nervous [ ]

Our car broke down suddenly and the heavy rain ourhelplessness