Animals are part of nature. _____ should be well prepared.
#55466
A
and
B
or
C
but
D
while
推荐题目
—Dongdong, ____ toy car is that?         —It’s ____.
#56279
A
who’s; hers
B
whose; mine
C
whose; her
D
who’s; my
--- _________are you late for school?       ---Never.
#56113
A
How far
B
How long
C
How often
D
How many
Do you have _____ brothers ______ sisters? 
#58426
A
some , or
B
any , or
C
any , and
D
some , and