A person , when_________，can often do what is normally beyond his ability.
#90324
A
challenged
B
challenges
C
challenging
D
to challenge
推荐题目
___around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
#94033
A
Having shown
B
To be shown
C
Having been shown
D
To show
To some people, happiness is __________ by family and friends, while to others, it means ___________ success.
#93248
A
being surrounded ; achieving
B
being surrounded ; to achieve
C
to surround ; achieving
D
surrounding ; to achieve
Children above 12 are able to take part in skiing or other activities _______for them.
#92837
A
designed
B
designing
C
to design
D
having designed
It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.
#88518
A
produced
B
producing
C
to produce
D
having produced
____, the more expensive the camera, the better its quality.
#96538
A
General speaking
B
Speaking general
C
Generally speaking
D
Speaking generally