Выберите правильную форму глагола to be и объяснить почему:
1) I … in the 10 th grade.
a) is
b) are
c) am
d) were
2) He … at the theatre yesterday.
a) is
b) was
c) will be
d) were
Выберите правильную форму глагола “to have” и объяснить почему:
Mr. Smith stayed at his office very late because he … a lot of work.
a) has
b) have
c) will have
d) had