With more and more forests disappearing, today the public is much concerned about the way _________.
A. nature is being ruined B. which nature is ruined
C. on which to ruin nature D. of nature to be ruined
Without the friction (摩擦力) between feet and the ground, people would ______ be able to walk.
A. in no time B. by all means C. on any account D. in no way
Don’t take his remarks too seriously. He was so sad that I don’t think he really _________ what he was saying.
A. knew B. knows C. was knowing D. had known
--- Could you take a message for Mr Brown?
--- Certainly. I ________ him about something else in any case. So it _______ any bother.
A. may see; isn’t B. see; won’t be C. will see; isn’t D. will be seeing; won’t be
His aunt’s letters ________ memories of those beautiful days when they used to live together in his hometown.
A. call at B. call for C. call on D. call up
The thing that _______ is not whether you fail or not, but whether you try or not.
A. matters B. cares C. considers D. minds