The principal walked onto the platform and seated himself in a chair, _______ for answering questions.
#90343
A
prepared
B
being prepared
C
prepared
D
preparing
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_______to reach them on the phone, we sent an email instead.
#98740
A
Fail
B
Failed
C
To fail
D
Having failed
 He found his son _______ inside the lift, _______ very worried.    
#91740
A
trapping; felt
B
trapped; felt
C
trapped; feeling
D
trapping; feeling