A) had leaved , arrived
B) arrived, had already left
C) had arrived, had left
D) arrived, left
E) leave, had arrived

A) bark
B) had barking
C) barking
D) were barking
E) barks

A) watched, had heard
B) heard, watched
C) watched, was hearing
D) was watching, heard
E) watching

A) thanked, had done
B) did, thank
C) done, had thanked
D) had thanked, had done
E) had thanked, done

A) winning
B) had win
C) win
D) wins
E) will won

A) had been
B) be
C) was
D) been
E) is

A) have waited
B) waits
C) have waiten.
D) waited
E) has waited

A) had taught
B) have taught
C) has taught
D) is teaching
E) teaches

A) were playing, hurt
B) hurted, played
C) were hurting, played
D) have played, is hurting
E) hurt, play

A) Taken
B) Does you take
C) Do you take
D) Had you taken
E) Have you taken

A) retired, directed
B) directed, had retired
C) directed, retired
D) retired, had directed
E) retire, direct

A) watching
B) watches
C) will watch
D) has watched
E) watch

A) improved
B) have improved
C) improve
D) has improved
E) had improved

A) were, had expected
B) had been, expect
C) are, have been
D) is, expected
E) expects, is

A) solved
B) were solving
C) solves
D) solve
E) am solving

A) have won
B) wins
C) were winning
D) are winning
E) win

A) was
B) be
C) are
D) where
E) has been

A) found, went
B) go, find
C) went, found
D) had gone, found
E) was gone, finding

A) had eaten, noticed
B) noticed, had eaten
C) had noticed, ate
D) had noticed, eat
E) have noticed, eated

A) need, defends
B) have needed, defended
C) had defended, need
D) defend, need
E) defend, needs

A) have wanted
B) have been wanting
C) has wanted
D) want
E) wants

A) has had
B) have had
C) didn't have
D) don't have
E) had had

A) has thought
B) have been thinking
C) thinks
D) have thinked
E) thought

A) burning
B) burns
C) had been burning
D) didn't burn
E) has been burning

A) was left
B) have left
C) has left
D) had left
E) leave