The letter was______as it was the only one ever signed by the the Queen.
#20822
A
unusual
B
unique
C
rare
D
scarce
推荐题目
____ the students in our school go to college in their teens.   
#18569
A
A good many
B
A great many of
C
A great deal of
D
A lot of
 What was considered impolite years ago has become ________now.
#18049
A
accessible
B
adjustable
C
unbelievable
D
acceptable
He was seriously injured.He lay on the ground, _______ to stand up.
#18791
A
was unable
B
being not able
C
unable
D
being able not