I often hear him ______.Today when I pass(经过)the classroom, I hear him ______again .
#49624
A
sing; singing
B
singing; sing
C
singing; singing
D
sing; sing
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Let’s ____the books.
#49729
A
to go and find
B
to go and to find
C
go and find
D
go and to find
You are never ________ old _________ dream a new dream.
#48636
A
very, to
B
so, that
C
such, that
D
too, to