When I came home, my father _____ an e-mail on the computer. 
#40545
A
writes
B
wrote
C
is writing
D
was writing
推荐题目
— How long ________ they ________ the English Club?  — For almost one year.
#40116
A
have; been
B
have; been in
C
did; join
D
did; join in
You’ll like it if you ______ on the sea.
#41804
A
are surfing
B
will surf
C
surfed
D
have surfed
While I ___________ TV, the bell rang.
#42227
A
watch
B
watched
C
am watching
D
was watching
I _____________ his letter for a week.
#41810
A
heard from
B
have received
C
have had
D
have got