单项选择题

For your own ______, please fasten your belts before the plane takes off.

A．safeguard
B．save
C．safety
D．safenor
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单项选择题
Ten years ______ since we met in Beijing.
A．passed
B．passing
C．have passed
D．had passed
单项选择题
Their new house is ______ . It's very large and bright.
A．delighting
B．delighted
C．lighting
D．lighted
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