_______ in thought, he almost ran into the car in front of him. 
#98610
A
Losing
B
Having lost
C
Lost
D
To lost
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