21 Mr. Smith’s decision to attend ____ ceremony tomorrow can be seen as ____ gesture of his intention to improve the relationship.
A. the; the B. the; a C. a; a D. a; the
22 —What happened to the young trees we planted last week?
—The trees ____ well, but I ____ them.
A. would have grown; didn’t water B. needn’t have grown; didn’t water
C. might grow; hadn’t watered D. would grow; hadn’t watered
