______ 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
The flowers in the garden smell ____.
#20356
A
well
B
good
C
nicely
D
sweetly
______ ,she couldn’t let out a word.
#18455
A
Too Surprised
B
Too Surprise
C
Being too surprised
D
Too surprising