I was doing my homework _______ my mother was doing some sewing.
#43326
A
during
B
when
C
while
D
after
推荐题目
South Africa president Nelson Mandela has passed away ____December 5th,2013___the age of 95.
#38579
A
on, in
B
in,at
C
on,at
D
at,in
I haven’t had enough _______recently, so I’m always _______all day.
#42146
A
sleep, sleeping
B
asleep, sleepy
C
sleepy, sleep
D
sleep, sleepy
---- does your sister surf the internet?---- About once a week.
#43972
A
How long
B
How often
C
How many
D
How soon
