The old teacher lay wide awake on his bed, ___________ all the problems he had to deal with the next day. 
#95385
A
thought about
B
to think about
C
thinking about
D
having thought about
推荐题目
____ abroad for a tour can be a great honor for an ordinary person like me.
#98118
A
Taken
B
Taking
C
Being taken
D
Having been taken
The big snow caused great ______ to the people living in the south of China, ______ some of them homeless.
#90311
A
destroy; left
B
damage; leaving
C
ruin; having left
D
wound; leaving
"Genius" is a complicated concept, _    _ many different factors.
#93217
A
involved
B
involving
C
to involve
D
being involved