10)Choose the right variant:
There … some big trees in the garden.
A) Is
B) Was
C) Are
D) Am
E) Been
11)Choose the right variant:
... the pupіls playіng when you came?
A) Were
B) Do
C) Are
D) Dіd
E) Was
12)Choose the right variant:
Тhese books ... interesting.
A) Is
B) Am
C) Be
D) Are
E) Been

There are some big trees in the garden.

Were the pupils playing when you came?

These books are interesting.