Choose the correct negative sentence in present perfect. his mother has so far not made dinner. his mother have not made dinner so far. his mother has not made dinner so far.

thomas edison

thomas edison an american inventor was born in 1847, in state ohio and died in 1931, in state new-jersey. he developed many useful devices, such as electric lighting and he also invented some other important things for society. his first power station was on manhattan island, in new york. he was the first man who invented a light bulp model in 1879. he also succeeded in making telegraph. his brilliant knowledge greatly influenced people's life and made it more comfortable and easier.

thank you. i missed my friends. i received invitation from ann. this letter was fun. i wish  you lucky. george was picking plums. you can find such berries everywhere. we shut gathering of information about an object. he knows the woods, and we often go for mushrooms.  i was  able to make  my own sentences. there are so many beautiful pictures in the tretyakov art gallery! the witness recognized the suspect. i"m really sorry. you'd better have that bad tooth pulled out.    i am very glad to see you. tom is a great asset to the basketball team. they gave up the idea of selling their car. it was good. the boy is tike (грубиян). dear friend, we have just received your letter.

linda will arange the students exchange, will not she ? your parents were not at the cinema yesterday, were they? denis can play the guitar, can' t he? we are not going to write her a letter, are we? you have a lot of friends, have not you? some members of his football team gave an interview to youth magazine, did they?

hi, mary! how are you doing? hello anne, everything is fine, getting ready for birthday.oh! you have a birthday soon? yes, on february 12, ie after 2 days.already made the guest list? yes, and i want you to also come to me.thank you for the invitation. be sure to come.i am very glad, i want on my birthday was a lot of people because it is the favorite holiday!