1)
1. a.are we meeting
b. starts/ we are meeting
2. a. Is Ian coming
b. don’t think / hasn’t finished
3. a. have you seen
b. is
4. a. do you exercise
5. a. Is Tanya
b. eats/sleeps
6. a. Are Laura and Penny leaving
b. have already left
7. a. are you looking
b. am looking / have just lost
8. a. does the Eurostar train leave
9. a. are you going
b. haven’t decided
10. a. does Leo live
b. is staying
11. a. Are you having
b. have already invited
12.a. Have you been
b. still is going up
2)
1. have been
2. am having
3. feel
4. have met
5. am sharing
6. is planning
7. hope
8. haven’t been
9. are you leaving
10. haven’t you found
Объяснение:
Meet me in the park at 7pm
I want to study at the university in a couple of years
I was at the dentist's yesterday.
On:
Scientists say there's water on Mars
I do aerobics on a regular basis
My mom always includes bread on the shopping list
In:
I have been living in Russia since I was born
I don't like when things are not in their places, especially when I'm looking for something
There are 25 (замените число на ваше) students in my class.