The workers built the bridge last year.(对划线部分提问)划线部分 :built the bridge
问题描述:
The workers built the bridge last year.(对划线部分提问)划线部分 :built the bridge
_____ _____ the workers _______ last year?
答
What did .do那位作家正在创作一本小说 The writer____ _____ _____a novel。is busy onis writtingis on writting