—Tom, you look tired this morning. What’s wrong?—I was so busy that I didn’t go to bed________12 o’clock last night.
#57218
A
until
B
when
C
though
D
unless
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
I like monkeys,       they are smart.
#57242
A
and
B
but
C
so
D
because
______now people cut down many trees,______a lot of animals are losing their homes.
#56610
A
Because ;so
B
So ; because
C
Because ;/
D
/; because