—I phoned you at 7 yesterday evening but nobody answered.— Oh, I ______ my dog in the park then.
#101858
A
walked
B
was walking
C
had walked
D
would walk
推荐题目
Hurry up, kids! The school bus _______ for us!
#100583
A
waits
B
was waiting
C
waited
D
is waiting
The days we have been looking forward to ____ soon.
#104465
A
coming
B
will come
C
came
D
have come
--- I ____ so busily recently that I ____ no time to help you with your maths.---That’s OK. I can manage it by myself. 
#100194
A
had been working; had had
B
have been working; had
C
have been working; have
D
am working; will have