Question

12.) Astronauts have completed a major mission in space. It was ………. a replacement of the fuel tank in one of the space stations.
a.) Concerns b.) Concern c.) Concerning d.) Concerned

Answer 1

Which do you believe it is?

Answer 2

concerned.... maybe

Answer 3

Correct :) well done.

Answer 4

hehehhe....is it?

Answer 5

It was concerned, a replacement of the fuel tank in one of the space stations.

Answer 6

thnku dr :)