_____ in thought completely, he didn’t even know what was going on. 
#98944
A
Losing
B
Lost
C
Having lost
D
Having been lost
推荐题目
Try to spend your time just on the things you find ______.
#96087
A
worthing doing them
B
worth being done
C
worthy of being done
D
worthy to being done
To their surprise, they found the lecture given by the famous professor easy ______. 
#96616
A
to be understood
B
to understand
C
understanding
D
understood
Deeply moved by her words, ____________.      .
#88654
A
tears came to his eyes
B
he could hardly hold back his tears
C
tears could hardly be held back
D
his eyes were filled with tears