---______do the students exercise a week ?---Once or twice.
#43559
A
How often
B
How long
C
How
D
How many times
推荐题目
I want to buy two pens. One is for myself, is for you.
#40453
A
Other
B
Others
C
the other
D
the others
--- Linda always studies from 7:00 to 10:00. --- Yeah, she is a ________ student.
#39260
A
worried
B
hard-working
C
friendly
D
beautiful
My younger sister is always _________ but she also likes listening to others quietly.
#43592
A
outgoing
B
angry
C
calm
D
friendly