(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
To learn the piece of music quickly, you'd better hear it ___ as many times as possible.
#94410
A
play
B
playing
C
played
D
to play
Great attention must be paid ______ education, especially in the poor area.
#96944
A
develop
B
to develop
C
developing
D
to developing
Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help _____because she couldn’t help _____ her son out of the danger.
#95435
A
crying; to save
B
crying; saving
C
to cry; to save
D
cry; saving
To get an education, _________.
#91757
A
working hard is very important
B
working hard is needed
C
one must work hard
D
it is needed to work hard