——How many god medals did China    at the 2010 Winter Olympics?——Five.
#42708
A
win
B
to win
C
winning
D
won
推荐题目
When the teacher ______ how to do the experiment, the bell rang.
#37863
A
explains
B
will explain
C
was explaining
D
is explaining
So far there       great changes in my hometown.  
#37335
A
are
B
have had
C
have been
D
will be
John ________ to Japan on business. He’ll be back ________ a few days.
#39675
A
goes; in
B
went; after
C
has gone; in
D
go; after
—What were you doing at 8 o’clock this morning?—____. 
#41774
A
I am having breakfast.
B
I want to go to visit my grandfather.
C
I was talking with my teacher at that time.
D
I stayed there for two days.