______of them has been to Australia several times, so they know the Opera House very well.
#57837
A
Both
B
All
C
None
D
Each
推荐题目
—Is there __________ in today’s newspaper?—Yes, the top news is about H7N9. 
#57419
A
something new
B
anything important
C
everything interesting
D
nothing serious
Which of the following is not true?
#56704
A
The computer doesn’t work.
B
There’s something wrong with my computer.
C
The computer has something wrong.
D
Something is wrong with my computer.