While I ________to the programs, my mother ________outside.
#38019
A
listened; was washing
B
was listening; washed
C
was listening; was washing
D
was listening; is washing
推荐题目
Look! The students ________ basketball on the playground .
#41777
A
play
B
playing
C
are playing
D
is playing
-How long has your grandpa ______?-For about 3 months. 
#39750
A
died
B
been died
C
been dead
D
death