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 It will be difficult for a robot       the same as humans.
#48768
A
do
B
to do
C
doing
D
does
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My teacher’s words made me _______ trying and never give up
#50732
A
to keep
B
keep
C
keeping
D
kept
— What happened?— The owner changed his mind and refused 　　　　 his house.
#49284
A
sell
B
sold
C
selling
D
to sell
—      enjoy Beijing opera with me?— Good idea.
#49579
A
Why don’t
B
What about
C
Why not you
D
Why not
We are not supposed ______ basketball on Sundays.
#49463
A
to play
B
playing
C
with playing
D
played
Do you need him _______ all the things?
#50529
A
to carry
B
carry
C
carrying
D
carries