______ 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
After the new type of rice was introduced, the farmers produced _______ rice this year as last year. 
#19095
A
as twice much as
B
twice as much as
C
twice much as
D
twice as much
What do you think is the most _____ time to find him at home?
#20662
A
likely
B
probably
C
possibly
D
correctly
(2009陕西宝鸡质检)People eat       vegetables per person today as they did ten years ago.
#20833
A
as twice many
B
as twice as many
C
twice as many as
D
twice as many