It is our duty to try to ______ production and reduce the number of things we make and buy.
A. cut back on B. put up with
C. hold on to D. run out of
Our factory has been developing rapidly this year. This year’s production is five times _____ it was ten years ago.
A. that B. what
C. which D. as
We should produce less things from raw materials, _____ is growing smaller and smaller.
A. whose supplies B. the supply of which
C. which supply D. the supply of whom
As fuel prices rose, bus companies raised their fares and _____.
A. so did the airlines
B. nor did the airlines
C. so the airlines did
D. nor the airlines did
Friendships between girls are usually ________ shared feelings and support, but friendships between boys are based on shared activities or interests.
A. cautious about B. absorbed in
C. anchored in D. concerned about
---Isn’t it time you went to bed, Mike?
---I _____ painting all afternoon, so I have to finish my homework now.
A. have been practicing B. have practiced
C. was practicing D. had practiced
