_______ the manager came to Beijing on business, he would visit his old friends there[ ]

Miss Smith once _____ music in Africa for eight years and now is an actress.—No wonder I often hear her sing in the garden.

I can’t spend___ money on the car which is ___expensive for me

I consider____ my duty to help you．

Have you finished the report? —Oh, sorry. It was so noisy in the office that I couldn’t ______ down to writing anything.[ ]