Let's carry the desk,don't we?这句话哪里有错?

Let's carry the desk,don't we?这句话哪里有错? 简单的英语题目.急呐~~!Let's have lunch at the desk.(变成反意疑问句)Let's have lunch at the desk,（）（） Tony,Let's carry the____(shop)home. lt's( )the desk. 括号内适当形式填空1,let‘s【 】【take】them to your bedroom2,what’s tom doing?he【 】【swim】in a river with his brother3,he‘s very strong.so he can【 】【carry】the big box4,the camera【 】【be】on the desk a moment ago Let's go___(help)that grandma carry the box.怎么填? let me heip you carry the box . Let’s put the picture above my desk变否定句 The boy is ____young to carry the box .Lets go and help him A.very B.too C.quite Let's carry out the test with more than the sample copy.让我们来完成那许多的样本? what's on the desk? lt's in the desk. l can't find( )basketball.( )is it?Look.( )under the desk.Shall we play basketball now?OK .Let's( Let's____(carry)the boxes to the room Let is____(carry)the boxes to the house. let's___ (help)the old man carry the big box. let us carry the box for you ,___ ____?改反意疑问句,是用will you还是用shall we?为什么?let's不是用shall 而let us是let's的缩写? 1.'Let's buy some yeast and make our own bread,'said Mary.2.'Let us help him carry the piano.改为间接引语!