21. Bill hasn't finished his work but we
A) have
B) do
C) don't
D) doesn't
22. We don't want to leave early but they
A) have
B) do
C) is
D) does
23. They didn't remember my birthday but you
A) have B) don't C) did
D) does
24. Your English is really improving but mine
A) haven't B) don't C) isn't
D) doesn't
vousneala three languages2​