With his attention _________ on his book, he didn’t notice someone entering his room.
#90427
A
concentrating
B
concentrated
C
to concentrate
D
concentrates
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 his business, he had little time to have fun with his little daughter.
#95743
A
Absorbed in
B
Be addicted in
C
Being absorbed in
D
Occupying with
 his work these days,he hash’t _____ when to pay a visit to his parents·
#97107
A
Bent On:decided on
B
Worried about;turned on
C
Faced with;taken on
D
Devoting to;focused on
With the help of the soldiers, many people ______ in the ruins were saved.
#97153
A
trapping
B
having trapped
C
to be trapped
D
trapped