---What do you think of the bridge?---I have never seen _________  before.
#35923
A
so a long one
B
so long one
C
such a long one
D
a such long one
推荐题目
Can you finish ____the book in about a week?
#40358
A
reading
B
read
C
to read
D
Reads
 I had a hard time learning math last year. 
#39953
A
was hard-working
B
worked hard
C
had trouble
D
didn’t like
Usually, a mother wolf gives birth to five to seven baby wolves    .
#40913
A
for a time
B
for the time
C
at the time
D
at a time