（2014年(春)重庆市高三考前冲刺测试卷）5. Traditionally __ as one of the safest planes, the Boeing 777's reputation has been damaged by the second crash in less than a year.
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A
to be regarded
B
regarded
C
having been regarded
D
regarding
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—Can those at the back of the classroom hear me?—No problem, sir !
#89426
A
seat
B
seating
C
seated
D
sit
Entering the garden, I found it ____ with ____ leaves.
#96409
A
covering; fallen
B
covered; falling
C
covering; falling
D
covered; fallen
Aluminum isn’t found free in nature, owing to its always ____ with other elements, most commonly with oxygen.
#93060
A
being combined
B
having combined
C
combine
D
combined
Such an educational program can teach us how to make positive choices when ________with personal conflicts.
#95628
A
faced
B
facing
C
to face
D
having faced
________ the difficult maths problem, I have consulted Professor Russell several times.
#88373
A
Working out
B
Worked out
C
To work out
D
Work out