Go and make someone laugh —______just might help them live longer.
#15672
A
it
B
which
C
that
D
they
推荐题目
The fire made _____ difficult to rescue the people trapped under the ruins in the earthquake.
#15323
A
/
B
this
C
that
D
it
As volunteers, they should do ______to help the children in trouble.
#57822
A
nothing
B
anybody
C
something
D
somebody
The sunspot came into its active stage, __________ that happens once every eleven years.
#15198
A
one
B
it
C
the one
D
what