When ______ how old he was, he kept silent.
#90592
A
asking
B
asked
C
to be asked
D
ask
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The Diaoyu Islands have been part of China’s territory since ancient times, __________ as important fishing grounds of Taiwan.
#90885
A
served
B
to serve
C
serving
D
having served
The child complained that the old man made no answer when where he lived．
#96853
A
asking
B
being asked
C
having asked
D
asked
The boy is lying on the ground, _________ at the aeroplane in the sky.
#95042
A
looked
B
looking
C
look
D
to look
Written in a hurry, _________________.
#94357
A
Peter made many mistakes in the paper
B
there are many mistakes in the paper
C
we found many mistakes in the paper
D
the paper is full of mistakes Eye See You
(2013·福建毕业班质检)It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
#89316
A
produced
B
producing
C
to produce
D
having produced