To protect the environment, the local government has put up a lot of ______ to warn the citizens not to litter the ground.
#11232
A
sighs
B
sights
C
signals
D
signs
推荐题目
I feel it is your husband who _______ for the spoiled child.
#12819
A
is to blame
B
is going to blam
C
is to be blamed
D
should blame
---Your ceiling requires ________. --- Yes, I’ll have some workers _______ it 
#12235
A
mending; to mend
B
mending; mend
C
to mend; mend
D
to be mended; to mend
 Don’t annoy me again. I must warn you that my patience is almost_______.
#12023
A
in charge
B
in ruins
C
at present
D
at an end