—Alan! Why are you so late?—Sorry! When I          home, I met one of my old friends.
#36276
A
went
B
am walking
C
has gone
D
was walking
推荐题目
Each of us   reading English books . 
#40556
A
like
B
likes
C
to like
D
liking .
His brother won’t go to play basketball until his work        .
#39863
A
is finished
B
finishes
C
will finish
D
finish
The story of Tom Sawyer ______ in Missouri, America, in the 19th century.
#38846
A
had happened
B
was happening
C
has happened
D
happened