13. I always hate _____________in public. a. speak b. speaking d. spoken d. be spoken 14. We've had to postpone ______________to France because the children are ill. a. go b. to go c. went d. going 15. I heard the orchestra _________ at Carnegie Hall last summer. a. playing b. play c. to play d. played 16. He had tried __________ a language before he left school. a. to learn b. learn c. learned d. learning

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