单项选择题
A.discovered B.invented C.made up
A.few B.afew C.little
A.see B.look C.watch
A.among B.in C.of
A.meets B.faces C.sees
A.in B.since C.for
A.sum B.amount C.number
A.failed B.missed C.lost
A.burst B.crashed C.hit
A.broke up B.broke off C.broke out
A.empty B.open C.wide