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 reading the room, the teacher found some students _________ at the table _________ a report.
#95231
A
Entered; seated; written
B
Entering; seating; writing
C
Entering; sitting; wrote
D
Entering; seated; writing
Finding her car stolen, ______
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A
a policeman was asked to help
B
the area was searched thoroughly
C
it was looked for everywhere
D
she hurried to a policeman for help