历史课使我对古代文明有所了解。 (to acquaint somebody with)
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range
A. to launch
B. to wander
C. to seek
D. to wonder
cruise
A. voyage
B. crowd
C. cloud
D. boat
profound
A. perfect
B. deep
C. proud
D. desirable
frailty
A. weakness
B. stiffness
C. frugality
D. fracture