It is said that sixty percent of all energy ________ in the world today is being lost as wasted heat.
#88776
A
produced
B
producing
C
to produce
D
having produced
推荐题目
He had been so absorbed____ watching the car passing by that he didn’t notice his friends ____.
#96358
A
to; coming
B
in; to come
C
on; coming
D
in; coming
Look at the notice . You are not allowed ____ the gymnasium without permission.
#92997
A
to enter
B
enter
C
entering
D
for entering
Whom do you think Mary will _________ into the matter instead of her?
#88563
A
have looked
B
have to look
C
have had looking
D
have look
(2013·河南豫西五校高三质检)Misunderstandings ________ from lack of social communication, unless ________ properly, may lead to serious problems.
#89313
A
arisen; handling
B
arising; handled
C
rising; handled
D
risen; handling
Martin Cooper , a US researcher , was considered _______ the first cell phone .
#96873
A
invented
B
to invent
C
having invented
D
to have invented