The first thing he did is practise playing the piano对吗?这里要用practising吗?

the first thing When a boy falls onto the water, what's the first thing he will do?A Help B Get up C Die D Cry When the boy fell into the water,what is the first thing he did? When the boy falls into the water,whats the first thing he wll do?谜语 when a boy fell into the water ,what's the first thing he did The first thing he did is practise playing the piano对吗?这里要用practising吗? when the boy fell into the water ,what was the first thing he did?用英文说 用the first thing is造句 the whole thing first 怎么翻 50.He cast a ____ of surprise at his old friend.A.stare B.look C.gaze D.glance51.This is ______such a thing.A.my first time of seeing B.first time to seeC.the first time I have ever seen D.my first time I have ever seen first thing After the operation, the first thing he does every morning is _____ plenty of exercise.A. to take B. taking C. take D. to be taken 选哪个?为什么?答案是C,我选B,为什么不能是B? be动词后面可以用动词原形吗?After the operation,the first thing he does every morning is _____ plenty of exercise.A.to take B.taking C.take D.to be taken The first thing ( )we should do is to tell him the news.A.who B.which C.that D.whom 求英语大师修改语法错误I'd like to introduce you 3 famous sayings about marriage.The first one was said by famous poet Goethe,he said “Love is an ideal thing, marriage a real thing.”i think he’s right .because When lovers are in love, see if he can fax them first thing 可以写成 see he if can fax them first thing 讲解first和at first的区别.（ ）he was afraid to take the airplane.A.First B.At first C.Firstly D.First time What's the first thing you'd do if you were going to build a house?它是虚拟语气吗?