Pine trees, of which there are almost one hundred _____, are found throughout the North Temperate Zone.
#6456
A
species
B
samples
C
specimens
D
Standards
推荐题目
The _______ are ten to one that we’ll win the match.
#7150
A
opportunities
B
possibility
C
chances
D
ability
As is well known, the brain performs a very important _______, which controls the nerve system of the body.
#7476
A
motion
B
action
C
function
D
fact
I bought a dress for only 10 dollars in a sale; it was a real______.
#7517
A
exchange
B
bargain
C
trade
D
business