As these new products are not selling well, the members of the board have decided to _________production.
A. cut down B. cut down to
C. cut down on D. cut off
—You should have prepared your speech for the meeting，Mrs Smith.
—Yes，I know.But how could I________the meeting date fixed so soon?
A. while B. as
C. after D. with
There is still a long way to go to solve all the problems _________conservation of natural resources.
A. concerning B. concerned
C. concerning about D. concerned about
Please go on trying.I’m sure the efforts you are________will pay off.
A. doing B. giving
C. making D. sparing
When he came back, his _________ look on his face, he failed in the interview.
A. disappointed B. disappointing
C. encouraged D. encouraging
Tom felt that he himself，rather than the girls，________for the failure of the football match.
A. were to blame B. was to blame
C. were to blamed D. was to be blamed
