"He is turning it on for the first time"是什么用法?1.“for the first time"能否换成“at the first time”2.为什么这句要用现在进行时,用一般现在时不行吗?

Is she turning on the teleyision? He is turning it on for the first time是什么用法?1.“for the first time能否换成“at the first time”2.为什么这句要用现在进行时,用一般现在时不行吗? 把下列句子改成复数The leaf is turning yellow.Which is your pen?What is this?Who is he?Look at that book.There is an apple on the desk.It is a lovely dog.Show me your book.最好在今天说！谢谢啦！ 英语翻译Take the third turning on your left.He may be studying in the library now.We should help each other.He is very in terested in English. she is turning on the light改为被动语态 The light in the office is still on.-----Oh,sorry.I forgot()A turn offit B turning it off C to turn it of原因啊! Now he is getting ready on it还是Now he is getting ready for it? It is a long lane that has no turning是什么意思 ( Take the secong turning on the right and you will see it.A.Which is the way to the station B.Could you tell where to the station 33.It’s no good _________him.He is always indifferent to others.A) to turn to B) turning toC) turn to D) turned to It’s no good ______him.He is always indifferent towards others’ matters.A.to turn to B.turning to C.turn to D.turned to The light in the office is still on. ---- Oh,I forgot___. A. turning it off B. turn 选哪个 说明理由---- The light in the office is still on. ---- Oh，I forgot___. A. turning it off B. turn it off C. to turn it off The light in the office is still on.　　---- Oh,I forgot___.　　A.turning it off　B.turn it off　C.to turn it off　D.having turned 　　it off 1.Lily is going home.The sun is hurting her eyes.It is_____.(写天气)4.The children are eating ice creames.David is turning on the fan.It is_______ A:Excuse me.Where is the post office?B:Go along this street._____the first turning on the left,and then go left,and then go on.You can see it on your left.（每空一词) 英语翻译Walk straight the road and take the second turning on the right,then you are on No.209 road,walk down it for about 1 kilometer,the toilet is on your left. 英语翻译My sister is turning on the radioMy sister has just turned on the radio the library is on the____(five) turning on your right 怎么填