The chart shows that to be more popular，the largest number of students in schools would like to .（ ）
A．take more exercise to be stronger
B．make more friends in a new school
C．ask more money from their parents
D．study harder to improve their abilities
I don't know he will come or not this afternoon．（ ）
A．ifB．whenC．whether
﹣ did you write to last night？﹣A pen pal．（ ）
A．WhatB．WhereC．Whom
She is listening to music he is doing his homework．（ ）
A．afterB．beforeC．while
He is at English than me．（ ）
A．goodB．betterC．best
It's our duty our hometown clean and beautiful．We must do something for it．（ ）
A．keepingB．keepsC．to keep