(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
推荐题目
The girl looked at me with a _______expression. Maybe the problem was quite ______.
#95397
A
puzzled; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling
Last Monday, I was asked to give the new students a test____ their English level.
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A
grading
B
to grade
C
to have graded
D
having graded
Great attention must be paid ________ education，especially in the countryside．
#88673
A
develop
B
to develop
C
to developing
D
developing
"We must keep a secret of the things _______ here", the general said, _______ at the man in charge of the information office.
#97435
A
discussed, stared seriously
B
being discussed, seriously staring
C
to be discussed, seriously stared
D
discussed, stared