_____the students busy ____(help)the farmers___(pick) apples_英语解答

_____the students busy ____(help)the farmers___(pick) apples

人气：338 ℃　时间：2019-08-18 20:38:40

解答

__Are___the students busy __helping__(help)the farmers__pick_(pick) apples
主要使用了 Be busy doing sth 和 help sb do sth 句型