Billy is a  nice  boy . he knows a lot , but he never ________.
#54021
A
shows off
B
picks up
C
falls off
D
looks up
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 The plane will ___ from Beijing Capital Airport and land in London.
#63220
A
take up
B
take out
C
take away
D
take off
Jim’s brothers spent a whole day ________ in the aquarium. They forgot ________ back before ten o’clock.
#53316
A
hanging out; to come
B
hung out; coming
C
hang out; to come
D
to hang out, to come
—How about climbing the hill? —I would rather       along the river than       the hill. I'm a bit tired.
#53600
A
walk;climb
B
walking; climbing
C
walking; to climb
D
walk; to climb