—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
—The windows are dirty.—I know. They _________ for weeks.
#102514
A
haven’t cleaned
B
didn’t clean
C
weren’t cleaned
D
haven’t been cleaned
The decorations were so lovely that they _____ in a short time. 
#101213
A
sold out
B
has been sold out
C
were sold out
D
were selling out