The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.
#91212
A
where
B
what
C
which
D
that
推荐题目
Some steps have been taken to prevent the forest ____ .
#91549
A
from destroying
B
to destroy
C
from being destroyed
D
to be destroyed
Though his parents agreed_____ his views, they didn’t_______ him to go there alone.
#91495
A
to; agree
B
with; agree
C
with; allow
D
on; allow
Most companies’ marketing effort is focused on getting customers, with little attention _______ to keeping them.
#91062
A
paying
B
to pay
C
paid
D
having paid