1. Have we invited Tom to a pop concert?
2. Has he ever been abroad?
3. Has their plane arrived?
4. Have they seen this film?
Понимаешь твой вопрос очень странный , он не уместный . Есть водопады , а ниагар это название его
1.They played tennis last week
2.I have never played tennis before
3.The satellite landed in the sea two hours ago
4.We change our plane
1 He was watching TV while she was making dinner.
2 He entered the institute two years ago.
3 She will go to school in a month.
4 What will you do tomorrow?
5 By the 8th grade they had already been good friends.
6 What are you doing?
7 They have been learning the Russian language for 3 years.
8 We have met our friends this week.
9 I remember nothing now.
10 If I see you tomorrow, I will tell you everything.
Найди правила на употребление a/an,somy/any,mach/many и делай по этому правилу