The young mother walked off, leaving the little boy ___________ in the room. 
#96710
A
cry
B
crying
C
cried
D
to cry
推荐题目
______that blood diseases are going to continue, we’ll have to______ them. 
#93223
A
Assumed; doing research at
B
Assuming; do research on
C
Assuming; do research for
D
Being assumed; do research on