I don’t know how ________ commas. 
#69179
A
use
B
using
C
used
D
to use
推荐题目
--“Which class are you in ?”---“I’m in            .”
#70421
A
Grade One , Class Seven
B
Class Seven ,Grade One
C
One Grade , Seven Class
D
Seven Class ,One Grade
— _________ is your ruler?—It’s blue.
#70296
A
What
B
What’s color
C
How
D
What color
—He made few mistakes in his speech, ______________?   —____________, his perform is wonderful.
#68747
A
didn’t he; Yes, he did
B
did he; No, he didn’t
C
was he; No, he isn’t
D
wasn’t he; Yes, he is
There’s little important news in the newspaper today, ______?
#69329
A
isn’t there
B
is there
C
is it
D
are there