In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.
#94980
A
to improve
B
improving
C
improved
D
being improving
推荐题目
___ the website of the Fire Department in your city, and you will learn a lot about firefighting.
#97906
A
Having searched
B
To search
C
Searching
D
Search
Because of the heavy snow, we had to delay the visit until this weekend to the artgallery ____ in the center of our city these days.
#96008
A
being held
B
holding
C
to be held
D
held
It was quite dark, but I could see a man _____ on the floor ______up.
#92117
A
lies ; tied
B
lying ; tied
C
lying ; ties
D
lie ; tied