Scientists generally agree that earth’s climate will warm up over the next 50 to 100 years______ it has warmed in the 20,000 years since Ice Age.A. so long as. B. as much as C as long as. D as well as
Great changes ______ in the city, and a lot of factories ______.
According to the record reports, one of the rare animals, ______ crocodile, is in ______ danger of dying out.
______, ______ many boys, Jack like playing football.
This is the ____ piano on which the composer created some of his greatest works.
Perhaps we need to clear away these books to make ______ for our new students.