it is very hard to climb the mountain in one hour的同意句

it is very hard for It is hard to The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean选什么,为什么 They are working very hard.和It is very nice to see you.(改感叹句） It is snowing very hard .同义句 It is raining very hard.改感叹句 急用!( )It is very ______of you to come to the hospital to see me.Thanks a lot.A.true B.kind C.lucky D.hard-working The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean求速度The room is very dirty today.It's hard——.A.cleaning B.to clean it C.to learning D.to clean 翻译：it is very hard for people to know how fast a car is travelling The classroom is very dirty.it is hard to clean it和it is hard to clean选哪个 有什么区别 It is hard to wait It is hard to please It is hard to select! it's very hard to p___everyone --Daddy,math is hard to learn.I failed the math exam again.--oh,don't____it because it is very useful.A.stop B.drop C.fall D.feel For a time his grandmother found ___accept his new idea.A.hard B.it hard C.it is hard to D.it hard to A tunnel is very hard to build. Is very hard to be a person.