—        do you know so much about the UFO?—I usually get the information by surfing the Internet.
#42799
A
How
B
What
C
Which
D
Where
推荐题目
— _________ do you shop? —Once a month.
#39283
A
How long
B
How far
C
How often
D
How soon
We’ll be away for two weeks because we’ll have a _____.
#39478
A
two-weeks holiday
B
two weeks’ holidays
C
two-week holiday
D
two-weeks’ holiday