When he arrived,they were (having supper).对括号部分提问

When he arrived,they were (having supper).对括号部分提问 They were (having a piano lesson)对括号部分提问 They are having supper.(对having supper提问) 对括号部分提问: 1.tom will help me (when he comes) 2.they will (hav when the guest arrived.we were having our supper.为什么不能用as so 英文：They were [drawing a horse] when I came in.对括号部分提问 要用英文 急 They had done （most） work when I arrived.对括号内容提问 They（ were playing football ）at that time.(对括号部分提问） ( ) were i,were,telephone,supper,having,when,the,rang,they连词成句 急 急 急 they were (playingfoot) just now.对括号里的部分提问 （）（）they ()just n when I was having supper,the postman arrived he has supper (at six thirty).对括号提问