____ in thought, he almost ran into the car in front him.
#94335
A
Losing
B
Having lost
C
Lost
D
To lose
推荐题目
Dad is under a lot of pressure, so we have to ________ him.   
#97092
A
make preparations for
B
take out insurance for
C
make allowances for
D
make sense of
Bell is considered _____ the first phone in 1896.
#95566
A
inventing
B
having invented
C
to invent
D
to have invented