Generally speaking, the hard one works, _______.
B
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He doesn't know what to say, for it is the first time that he ______ with a girl.
No matter how frequently _____ the works of Beethoven always attract a large number of people.
________evidence that language acquiring ability must be stimulated.
Wehadn'tmetfor20years,butIrecognizedher_____Isawher.
Modernscienceandtechnologyhas_____communicationbetweenpeoplefarapart.