Camels have three eyelids to ________ themselves from the blowing sand.
#11748
A
protect
B
stop
C
keep
D
hide
推荐题目
—When can I use your computer?—Never! ________should you touch it. 
#12723
A
At no time
B
At some time
C
At any time
D
At one time
He bought a book with the _____ 50 dollars and then his money ______.
#11649
A
remaining; was used up
B
remaining; ran out of
C
remained, ran out
D
remained, gave out