英语翻译1please tell me how we can finish the work on timeplease

英语翻译
1please tell me how we can finish the work on time
please tell us （）（）（）the work on time
2 the twins hope that they can visit our factory one day
the twins （）（）（）our factory one day
3 Can‘t you see that your son is climbing the tree?
Can‘t you see （）（）（）the tree?