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During the tourist season, there are many people wandering in this city to see the old castles_____ in the sixteenth century.
#98595
A
to be built
B
being built
C
having been built
D
built
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If _____ green, the door might look more beautiful.
#98357
A
paint
B
painted
C
to paint
D
painting
When I came in，I saw her ________ in the sofa ________ in thought．
#90157
A
sat；deep
B
sitting；deeply
C
seated；deep
D
seating；deeply
No one is allowed ______ in the classroom.
#96986
A
smoking
B
smoke
C
smoked
D
to smoke
 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
Can you imagine what difficulty he had ____ the work?
#89953
A
to do
B
do
C
doing
D
done