The photos that won the first prize in the competition will be _____on the website．（ ）
A．put awayB．put offC．put upD．put on
﹣Mum，must I clean my room？﹣No，you ．（ ）
A．mustn'tB．needn'tC．can't
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