Mary _____ a bag _____ school. [ ]

Mr. Smith, Millie’s homework isn’t here.— Well, let her _____ it here tomorrow.

Today more newly-produced mobile phones can take pictures _______ a camera.[ ]

Congratulations______you, Tom. You did the best.—Thank you.[]

Qinghai-Tibet Railway(青藏铁路) was completed last year. It is the __________ railway that connects Tibet with the other parts of China.