____ students should be given more free time is suggested by many experts and welcomed by kids in school. 
#4995
A
What
B
Why
C
Whether
D
That
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The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees.
#4681
A
methods; to destroy
B
methods; from destroying
C
measures; from destroying
D
measures; to destroy
It is generally believed that teaching is ___________it is a science. 
#4916
A
an art much as
B
much an art as
C
as an art much as
D
as much an art as