--You speak very good French! ---Thanks. I _________ French in Sichuan University for four years.
#102828
A
studied
B
study
C
was studying
D
had studied
推荐题目
―Twenty dollars, please!― How terrible!―I ________ to bring my wallet with me.
#104499
A
was forgetting
B
forgot
C
had forgotten
D
am forgetting
I don’t think she saw me just now. She_________ the beautiful vases.
#102118
A
just admired
B
had just admire
C
has just admired
D
was just admiring
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl. 
#102409
A
has worked
B
had worked
C
was working
D
had been working