After days of fantastic space trip, the three astronauts walked out of the spaceship, _______.
#18559
A
tired but happy
B
tiredly but happily
C
tiredly and happily
D
tired and happy
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After a thorough search, the rescue team finally brought the mountain climbers back, __________.
#18910
A
safely and soundly
B
safe and sound
C
safely and sound
D
safe and soundly
My cousin works as a guide . She used to make ______ money than she does now . 
#19176
A
much less
B
quite less
C
much fewer
D
a lot fewer
With sufficient scientific information a manned trip to Mars should be _____.
#20853
A
obtainable
B
potential
C
considerable
D
feasible