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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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