Most experts agree that human activities such as the clearing of large areas of forests, and farming on a large scale _________ the problem of global warming.
#65324
A
is leading to
B
is resulting in
C
are contributing to
D
are owing to
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His mother ____________ an acute disease and passed away three months later.
#64014
A
came down with
B
got tough with
C
kept an eye on
D
gave her life for
You must ______ a wide vocabulary if you want to learn a language well.
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A
set up
B
put on
C
settle down
D
build up
Are there any possible signs in nature that can ________ earthquakes with accuracy?
#73422
A
transform
B
spread
C
predict
D
determine
The grammar book she ___ was not in the library.
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A
turned to
B
looked up
C
look through
D
referred to
I found the homework was not so heavy as ______ I ______ to get in my old school.
#67473
A
that; was used
B
what; used
C
which; used
D
that; used