We employed a lawyer to straighten our legal .
A. tension
B. temper
C. tangle
D. temple
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The enemy warships were disengaged from the battle after suffering heavy .
A. casualties
B. concerns
C. pains
D. failures
, he still can't understand why the universe originated from a big bang.
As he had tried
B. Might he has tried
C. Try as he might
D. Try as he is
They run in circles, fall from profound fatigue.
A. 匆忙地跑
B. 绕圈跑
C. 徒劳地跑
D. 盲目地跑
From the time when Einstein came up with the idea of gravitational wave, man dived into its existence.
A. jumped into
B. are comitted to studying
C. went in
D. worked hard in