It is generally believed that constant reading and comprehending can ______ our mental ability of comprehension while physical exercise can help build up our body. 
#13994
A
stress
B
effect
C
strengthen
D
decide
推荐题目
Itis ______ to have achieved so much in such a short time.
#11682
A
something
B
anything
C
nothing
D
everything
He is _________ to have gone abroad,for I haven’t seen him for weeks.
#11221
A
possible
B
likely
C
probable
D
certainly
They have produced    they did last year.
#14155
A
twice more grain as
B
twice as much grain as
C
twice as many grain as
D
as twice many grain as