- intermediate-27
English Grammar / Incomplete Sentences / Intermediate level # 27 (Answer Keys)
Life on Mars?
A1 Anyone seeking evidence of life on Mars is likely to be disappointed.
answer: (b) evidence
A2 Scientists have been combing through data from an orbiting satellite.
answer: (a) combing
A3 It seems that Mars has always been cold and icy and that it's not true that oceans have formed on the planet
in its early history.
answer: (d) formed
A4 This twist in the life on Mars argument comes just when it is closest to Earth in 60.000 years.
answer: (b) twist
A5 Because it is coming so close observers are hoping to settle the argument about life on the planet once and
for all.
answer: (c) all
A6 A spacecraft is heading for the planet with a device that will burrow into the soil to sniff for proof of any life.
answer: (c) burrow
A7 Researchers are also looking into the possibility of one day launching a manned mission to Mars.
answer: (b) mission
A8 As the planet gets nearer to the Sun, enormous dust storms can be whipped up.
answer: (d) up
A9 Unfortunately the dust storms tend to obscure the view of the planet.
answer: (b) obscure
A10 Everyone hopes that Mars will remain dust free otherwise people will only be able to see an orange blob.
answer: (c) blob
