______，the runners crossed the finish line（）
A. Tiring
B. Tired
C. To be tired
D. They are tired
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Human‘s brains are larger in proportion to their bodies than_______（）
A. whales
B. a whale
C. that of whales
D. those of whales
—Why was he so hot when he got home —He________（）
A. was running
B. is running
C. has been running
D. had been running
We looked everywhere for the________（）
A. missing watch
B. missed watch
C. watch being missed
D. watch that lost
We’ve______sugar.Ask him to lend us some（）
A. run away with
B. run down
C. run off
D. run out of
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