I ________ while reading the English textbook. Luckily, my roommate woke me up in time! 
#104783
A
had fallen asleep
B
have fallen asleep
C
fell asleep
D
fall asleep
推荐题目
Half an hour has been made full ______ of _____ the problem.
#101674
A
using; studying
B
use; to study
C
to use; to study
D
use; studying
Tom with his friends ______ volleyball since three o’clock.
#103826
A
has been playing
B
is playing
C
have been playing
D
have played
 His sister left home in 1998, and _______ever since.
#99521
A
has not heard from
B
had not heard from
C
has not been heard of
D
had not been heard of