They looked _____ each other and kept their secrets _____ themselves.
#48429
A
for; to
B
at; for
C
at; to
D
out; at
推荐题目
The baseball is _____ the floor _____ the desk.
#49228
A
under; on
B
under; under
C
on; on
D
on; under
The cleaners must prevent the street ______.
#48619
A
getting dirty
B
from dirty
C
from get dirty
D
from getting dirty
Mary bought a house ______ a small garden. 
#48249
A
from
B
for
C
with
D
off