when

1.have been
2.has own
3.have had
4.have seen
5.Have you checked
6.has just bought
7.have known
8.has worked
10.has been
11.have waited
12.has been
13.have just cleaned
14.have published
15.haven't met
16.have never eaten
17.has never been
18.have ever talked
19.Has your mother been
20.have you learned
21.have just done
22.have already finished
23.haven't received

 

will forget - am

III.
A.
1.T
2.F
B.
1.Local people and tourists from all over the world attend the White Night.
2.People can see the raising of the bridges along the Neva River banks.
3.They go swimming in Lake Ladoga.
Part D. Writing:
I.
2.People won't use flying cars until the year 2050.
3.We will use more solar energy in the future.
4.Life must be difficult in the slums.
5.The beaches in the south are so peaceful.
II.
1.That chair is more comfortable than this one.
2.My mother used to live in a village when she was a girl.
3.Peter is interested in carving eggshells.
4.A hydro power will be built in this area next year.
5.In spite of being young, he performs exellently.

about - on - for

1.popular
2.funny
3.cute
4.national
5.educational
6.clumsy
7.boring
8.entertaining

1.C
2.B
3.D
4.A
5.C
6.D