Robots _______ do housework instead of people in the future.
#51958
A
will be able to
B
will can
C
could
D
were able to
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He pretended              me when he walked by.
#61701
A
not see
B
not to see
C
don’t see
D
to not see
-- What can trees do _________ us ?--- They can _________ harmful gases and produce oxygen .
#58609
A
helping , take in
B
to help , take in
C
helping , take out
D
to help , take care
Ask John ______ here at 7 pm tomorrow.
#61788
A
come
B
coming
C
came
D
to come