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
______ is no debating that the Dallas Mavericks will defeat the Washington Wizards in the next game.
A. It B. As
C. That D. There
---I have looked for my keys everywhere, but I can’t find them.
---Sorry to hear that. You _____ them somewhere.
A. must lose B. should lose
C. must have lost D. should have lost