_____ of the water _____ polluted. We must try to protect our environment.
#51088
A
Two third; are
B
Two third; is
C
Two thirds; are
D
Two thirds; is
推荐题目
—A ruler is 2 dollars and a pen is 3 dollars. How much are they? —They are ________.
#51074
A
$2
B
$3
C
$4
D
$5
His father served in the army in ________ when he was in ________.
#51731
A
the 1950s; his twenties
B
1950s; twenties
C
1950’s, the twentieth
D
the 1950s; the twentieth
There are about _________ teachers and students in their school.
#51545
A
three thousands
B
three thousand
C
thousand of
D
three thousand of
—Good news.We will have a _______holiday. --I’ve heard of it.But it’s coming in_______.
#51829
A
three days;three days’ time
B
three days’;three days’
C
three-day;three days
D
three days;three-day time
There are about five people in the town, mainly the old and children.
#51648
A
hundred
B
hundreds
C
hundred of
D
hundreds of