－ did you play the piano today? －For five hours.
#43834
A
When
B
How long
C
How often
D
How soon
推荐题目
The number of students who took part in the competition last week ________ more than 1500.
#85938
A
reach
B
were
C
is
D
was
It’s 8 o’clock. My mother is reading a book. My sister and I _____.
#43617
A
is doing my homework
B
am doing my homework
C
is doing our homework
D
are doing our homework
. The Olympic Games in the year 2008___ in Beijing of China, which known to us all.
#86052
A
is to hold; is
B
is to be held; was
C
are to hold; is
D
are to be held; is
Every means _____ prevent the water from _____.
#85804
A
are used to; polluting
B
will be used to; polluting
C
is used to; polluted
D
is used to; being polluted