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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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