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
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The classroom is big enough , but we’ll have to move if we have more students.
#4914
A
for the moment
B
on the moment
C
in a moment
D
for a moment
--What about the protection? ---Let’s keep the surface ____ dirty by putting a cover over it.
#4689
A
far from
B
free from
C
apart from
D
away from
Although ______ for many years, the two old sisters recognized each other at once.
#5021
A
having been separated
B
being separated
C
having separated
D
had been separated
——You don’t go to that supermarket quite often, do you? —— No, I only go there ______ because it’s too far away from my house.
#4932
A
eventually
B
constantly
C
occasionally
D
frequently
Only when __________________ permission _______________ allowed to enter the lab.
#4817
A
a teacher has given; are the students
B
has a teacher given; are the students.
C
has a teacher given; the students are
D
a teacher has given; the students are