A、 in vain
B、 in no way
C、 without effect
D、 at a loss
答案:A
A、 in vain
B、 in no way
C、 without effect
D、 at a loss
答案:A
A. on
B. at
C. in
D. under
A. where
B. when
C. however
D. that
A. sufficient
B. efficient
C. effective
D. proficient
A. too
B. either
C. neither
D. also
A. attention
B. arrangement
C. attraction
D. appointment
A. the moment
B. the moment when
C. for the moment
D. at the moment when
A. forward
B. up
C. down
D. off
A. as much as twice
B. as twice much as
C. twice as much as
D. twice so much as
A. populous
B. population
C. popular
D. populated