—Did you know that the earth is the home of        animals?
#51466
A
million
B
million of
C
millions of
D
millions
推荐题目
How do you read the number “3,054,003”?
#51165
A
three million, and fifty-four thousands, three
B
three million, and fifty-four thousand and three.
C
three million, fifty-four thousand, three.
D
three million, fifty-four thousand and three.
This is the      time during      days that he has made the same mistakes. 
#51052
A
second; third
B
two; three
C
two; third
D
second; three
There are          days in a week. The         day is Saturday.
#51360
A
seven; seven
B
seven; sixth
C
seventh; seven
D
seven; seventh
—How many new words are there in _______lesson?—There are only _______.
#50946
A
five; fifth
B
fifth; five
C
the fifth; the five
D
the fifth; five