________ important ______ us to listen carefully in class!
#62049
A
That’s; of
B
It’s; for
C
This is; for
D
It’s; of
推荐题目
— How long are you staying there?    —____________.
#62587
A
Next week
B
On Sunday
C
Next month
D
For a month
—____________________________?—It’s Wednesday.   
#61997
A
What’s the day
B
What’s the time
C
What day is it today?
D
What’s the date today?
 We can’t work out the physics problem. Can you tell us ________?
#61977
A
how to do
B
what to do it
C
how to do it
D
what should to do
—Is this your pencil?—No, ________. It’s his pencil.
#62693
A
it is not
B
it is
C
it isn’t
D
it’s