The two girls are so alike that strangers find ___ difficult to tell one from the other．
#15658
A
it
B
them
C
her
D
that
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—There is only one iPad left in the shop window. Hurry up and buy home.--No need to hurry. I can buy on the Internet if none is left in the local market.
#15205
A
it; one
B
one; it
C
one; one
D
it; it
The boy became fatter and fatter each day and_____ made his parents sad.
#15724
A
which
B
what
C
he
D
it