In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care.
#19734
A
normal
B
constant
C
permanent
D
primary
推荐题目
 When the policeman stopped us, we all looked questioningly at him, ________.
#17692
A
nervously and puzzled
B
nervous and puzzling
C
nervous and puzzled
D
nervously and puzzling
–It’s said that we'll have a ________ the coming May Day.  – That’s so good.
#34847
A
three-days holiday
B
three-days' holidays
C
three-day holiday
D
three-days' holiday
Oh, boy, why are you just playing games all day? Can't you find something ______ doing at all?
#18459
A
practical    
B
valuab1e
C
worth    
D
positive