—Were you at home at 9:00 last night? I called you but nobody answered. —Sorry, I ________ at that time.
#39649
A
take a shower
B
took a shower
C
was taking a shower
D
am taking a shower
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