______________, the train had already left.
A. When I arrived at the station
B. As I arrive at the station
C. By the time I have arrived at the station
D. After I arrived at the station
________________, she listens to music.
A. Wherever she feels stressed
B. Whenever she feels stressed
C. When she felt stressed
D. While she feels stressed
He was tired,___________________.
A. he decided to keep working
B. but he decided to keep working
C. so he decided to keep working
D. and he decided to keep working
_________________, or you can stay at home.
A. You can come with us
B. Coming with us
C. Although you can come with us
D. As you can come with us 
The weather was nice,________________.
A. we decided to have a picnic
B. deciding to have a picnic
C. our decision to have a picnic
D. and we decided to have a picnic
________________ doesn’t matter to me.
A. He can come or not
B. Why he comes or not
C. Whether he comes or not
D. Whether does he come or not
 ______________broke her heart.
A. What he lied to her
B. Why he lied to her
C. He lied to her
D. That he lied to her
They admitted_____________.
A. that they made a mistake
B. what they made a mistake
C. why they made a mistake
D. that they have made a mistake
_______________, I saw a beautiful cat.
A. While I am walking down the street
B. Walking down the street
C. Having walked down the street
D. That I walked down the street
_______________, I noticed the sky turning dark.
A. I looked out of the window
B. Having looked out of the window
C. When I looked out of the window
D. Looking out of the window and

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