______ in his studies, he didn't know that all the others had left.
#18298
A
Buried
B
Burying
C
Having buried
D
Bury
推荐题目
It isn’t quite ___ whether the Tibetan antelope is still being hunted.
#18664
A
certain
B
sure
C
safe
D
careful
Could you find me some materials______to human rights on which I’m writing an articles?
#20798
A
accustomed
B
addicted
C
relevant
D
adjustable
He is ________ scolding his child,which is not a good way to educate him.
#20547
A
often
B
usually
C
frequently
D
always
What upset us was that our flight was delayed because of the ________ storm.
#17645
A
fierce
B
legal
C
intelligent
D
secure
_______should not be allowed to get ears pierced.
#34958
A
Twelve-year-old
B
Twelve-year-olds
C
Twelve years old
D
Twelve years olds