–When did Sam arrive _____ Guangzhou? -- the morning of November 16th .
#46896
A
at; In
B
to; On
C
in; At
D
in; On
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The boy did his homework with the help of his father in the past. But now he can do it alone.
#47839
A
for himself
B
on himself
C
by himself
D
with himself
