If there are ______ trees, the air in our city will be _______ cleaner.
A.less, more | B.more, more |
C.more, much | D.much, more |
That is the cook ______ came from London.
A.that | B.which | C./ | D.Who |
Bruce an astronaut last year.
A.is selected to become | B.was selected to as |
C.is selected to as | D.was selected to become |
He worked an artist for 10 years.
A./ | B.like | C.as | D.about |
Neil Armstrong is the first man .
A.walk on the moon | B.walk on moon | C.to walk on the moon | D.to walk on moon |
They took rock samples back to Earth for _____study.
A.farther | B.step by step | C.further | D.far away |