The meeting ______ tomorrow afternoon is about _______ rid of pollution.

　 A. held, to get 　   B. to be held; getting

　 C. to hold; to get 　 D. being held; getting

The thieves _____ him _____ in the park, took his wallet and escaped.

　　A. held .. back      B. held .. up   C. held .. on        D. held .. out

The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.

　　A. held on    B. worked out    C. touched on    D. kept out of

A new school was ______ in the village last year.

　 A. held up 　 B. set up  C. sent up 　 D. brought up

The thieves _____ him _____ in the park, took his wallet and escaped.

　　A. held .. back      B. held .. up

　　C. held .. on        D. held .. out