this plan is to change the desert into farmland中,为什么是to change?如题

There is a plan to his plan. this plan is to change the desert into farmland中,为什么是to change?如题 to travel to japan is my plan for this year.这个表达是否合理 This increase is the largest____in China's plan to modernize itself可以填with吗？ this increase is greater than 三个空格in chinas plan to modernize itself Listen to the tape.To go to japan for a visit is my plan for this year. Failing to plan is planning to What is your Mum's response to the plan S___ as she is ,she nodded her head this time IS this the plan you'd like to see ______before you retire?A to be carried out B carried out My plan is to make this dynamic,这个is to 是什么用法 谁可以跟我解释一下这句语法.My plan is make this dynamic 这样是错的吗? Who is Jackie Chan What is your plan （）this weekend?A.for b.to c.at 到底应该选哪个?说明理由 This is my plan for next week.I am going to w_ harder next week.首字母填空 修改病句 It is pleasure for me to tell you my plan of this coming summer holidays after the exam. This is the first time for me to write a new term plan in english.如题、 I agreed on this plan.与I agreed to this plan.有什么区别 our plan is sure to ---(success) 单项填空 There{ } a lot of good news in today's newspaper A：is B:are c:was D:were接：I find[ ] difficult[ ] things for myself A:this,plan B:it,plan c:this,to plan D:it.to plan please[ ]who broke the windows A:find out B:find C:look for D:look