!Переделайте предложения в Present Perfect.Ex.1.Rewrite the sentences using the Present

!Переделайте предложения в Present Perfect.Ex.1.Rewrite the sentences using the Present Perfect or Past Indefinite.Examples:I am writing a letter to my cousin.(already;yesterday) I have already written a letter to my cousin. I wrote a letter to my cousin yesterday.1)the waitress is bringing our tea(a few minutes ago;not yet)2)the bell is ringing (just;some minutes ago)3)He is going to London in a few days(already;last week)4)The boys are playing football in the yard now(yesterday;many times)5)Mother is reading a new novel by Aitmatov(this month;last year)6)Students are cleaning their classrooms(already;last Saturday)7)The teacher is explaining a new rule(just;at the pervious lesson)8)Ann is doing her home work(just;on Friday)9)They are discussing this problem again(many times; a few days ago)10)Granny is making a birthday cake(just;yesterday)