be for from ,be busy doing 分别造句

be for from ,be busy doing 分别造句 be busy doing造句 用be busy doing sth.句型造句 造句:be bad at sth be busy doing be busy with sth be excited a be+busy+doing=be+( )+( be busy doing sth.造句（注中文）! 请用be busy doing sth 的句式造句 be busy doing sth.造句（注中文） be used for doing sth造句 造句,各两句.be worth doing 值得做...be busy doing.忙着做 too...to do 太. 1.be busy doing sth 2.be busy with sth分别造个句, 用英语造句:1.take place 2.see.doing 3.be busy 4.It's 形容词 for sb t