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
It’s reported that energy drinks are not allowed ___ in Australia.    
#89833
A
to be making
B
to be made
C
to make
D
to have been made
My parents don’t allow_____ time_____ nothing.
#97266
A
to waste, to do
B
to waste, doing
C
wasting, to do
D
wasting, doing
-- What made your skin look so terrible? --_______ to the sunlight for a long time. 
#89602
A
Because it was exposed
B
After being exposed
C
Being exposed
D
Exposed