He visited the bookstore every week. He became such a____ customer that the bookseller gave him some books as presents.
#20856
A
common
B
normal
C
usual
D
ordinary
推荐题目
He has a _______ knowledge of animals.
#19925
A
brief
B
folk
C
flat
D
broad
Susan is ____ to come and see me this Sunday evening.
#20660
A
possible
B
likely
C
impossible
D
scarcely
The tiger, once a     animal to humans, is now        of disappearing on the earth.
#18534
A
dangerous, danger
B
dangerous, in danger
C
in danger, in danger
D
danger, in danger