——Who is knocking at the door?——It ______ Mr. Black, because he_______Washington.
#54792
A
can't be;has gone to
B
may be;has been to
C
must’t be;has gone to
D
may be;went
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He told us that he was tired and thirsty because he ________ in the desert for days.
#52040
A
walked
B
has walked
C
had walked
D
would walk
He looks sad. Let’s ___________________.
#61327
A
cheer up him
B
cheer him up
C
show him up
D
show up him
--- I would rather than dance. What about you? --- I prefer .
#56472
A
sing; to dance
B
sing; dancing
C
singing; to dancing
D
singing; to dance