A、 be
B、 is
C、 being
D、 was
答案:B
A、 be
B、 is
C、 being
D、 was
答案:B
A. in vain
B. in no way
C. without effect
D. at a loss
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