---How long have you been running ?  ---Since ______ .
#51857
A
two hours
B
two hours ago
C
I am ten years old
D
for two hours
推荐题目
There are ________ people having lunch at this restaurant every day.
#51878
A
hundred of
B
hundreds of
C
two hundreds
D
two hundred of
_____trees are planted in our city every year.
#51324
A
The millions of
B
Million of
C
Millions of
D
Million
 There are _____ desks in his classroom..
#51634
A
forty-fifth
B
fourty
C
forty-five
D
forty five
In our city, _______ middle school students want to work as a teacher in the future.
#51886
A
thousand
B
thousand of
C
thousands of
D
two thousand of
__________ trees are yellow in autumn.               
#51910
A
The number
B
A number
C
A number of
D
The number of