He is too old to run_____ to catch up with the young boy.
#46739
A
fast enough
B
fastly enough
C
enough fast
D
enough quickly
推荐题目
----Sixteen-year-olds should not be allowed to drive a car. ----I agree. They are ____________.
#45323
A
too serious
B
not serious enough
C
too calm
D
not enough serious
Some people think that CD-ROMs will soon be _________ books.
#44237
A
as more popular as
B
the most popular than
C
so popular as
D
more popular than
 Of all the streets in Beijing, Wangfujing is _______.
#45288
A
the busier
B
the busyest
C
busiest
D
the busiest