While Ann ___ TV, her father came home.
#41786
A
is watching
B
was watching
C
watch
D
watches
推荐题目
---Pardon? I _____ quite catch you.--- I said I ______ the song before. 
#39608
A
didn’t, hadn’t heard
B
don’t, didn’t hear
C
didn’t, didn’t hear
D
won’t, hadn’t heard
When Jack rushed to the railway station yesterday, the train________. 
#37217
A
leaves
B
would leave
C
had left
D
is leaving