Joan stood outside a shopping mall for a long time, as if ________ somebody.
#90609
A
to wait for
B
waiting for
C
waited for
D
having waited for
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I saw the boy _____ out a moment ago.
#98276
A
run
B
runs
C
how to run
D
running
____ the TV play, he got down to ____ his homework.
#96801
A
Watching; do
B
After his watching; do
C
Watched; doing
D
Having watched; doing
These robbers are sure __________.
#97479
A
to punish
B
to be punishing
C
being punished
D
to be punished