Read the sentences. What is the best way to revise the sentences for fluency
and word choice?
Some scientists are for a manned mission to Mars. Some
scientists are against a manned mission to Mars. There is a
lot for people to think about.
O Some scientists are for a manned mission to Mars, while
others are against a manned mission to Mars. People
should think about it.
O Since scientists have stated both pros and cons for a
manned mission to Mars, there are a number of factors
for people to consider.
O There are pros for a manned mission to Mars. There are
cons for a manned mission to Mars. There is a lot for
people to think about a manned mission to Mars.
O When it comes to a manned mission to Mars, people
should take some time to think about it because some
scientists feel there are pros, while other scientists feel
there are cons.