The idiom “drop in a bucket” means __________ .
A. a relatively small amount; a small part of the whole
B. something that is very important to you
C. a hint or something said in a casual way
D. Just choose correct answer from A,B,C
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The idiom “to cast pearls before swine” means ________
A. to lead someone who is not capable
B. to accomplish a very important task
C. to offer something of value to someone unable to appreciate it
D. Just choose correct answer from A,B,C
It was thought that only humans could communicate with people they can’t see; however, whales and dolphins can communicate ____.
I don’t know whether you could call their communication language or not, but I’ll ____more.
He isn’t counted as knowing a new world unless he’s used it at least ____ in a meaningful way.