Edward, you play so well. But I ______ you played the piano. 
#5038
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known
推荐题目
--- Do you really mean to prepare our lecture two months in advance? --- Sure. Anyway,  ___________
#4808
A
a good beginning is half done.
B
a bird in the hand is worth two in the bush.
C
a fall into a pit, a gain in your wit.
D
the early bird catches the worm.
John and Mary’s room _______ on fire. Many _______ help them put out the fire.
#4682
A
are; passer-bys
B
is; passers-by
C
is; passer-bys
D
are; passers-by
John Smith, a successful businessman, has a ______car. 
#4927
A
large German white
B
large white German
C
white large German
D
German large white
I’m surprised to hear from my school teacher again. ________, it is ten years since we met last.
#4630
A
In a word
B
Believe it or not
C
That’s to say
D
Of course