Achieving a high degree of proficiency(精通)in English as a foreign language is   not a mysterious _______ without scientific basis.
#11851
A
process
B
practice
C
procedure
D
program
推荐题目
She _____ with the symphony orchestra three times this season.
#13891
A
played
B
has played
C
has been playing
D
is playing
postage
#13354
A
challenge
B
photograph
C
greedy
D
goods
There has been ____ accidents on this part of road. 
#14351
A
a number of
B
a great deal of
C
a series of
D
plenty of
You can’t expect a baby to ________ your existing routine. 
#11675
A
fit in with
B
fit on
C
fit up with
D
fit in