______ which school was suitable for their son, the parents visited lots of different primary schools in the city. 
#88918
A
To find
B
Being found
C
Found
D
Finding
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________ with her work, she didn't even notice the heavy snowfall outside the window.
#89537
A
Occupying 
B
To be occupied
C
Having occupied 
D
Occupied
____with this fiercely competitive society, _____English well and you will succeed.
#94592
A
Faced, master
B
Faced, mastering
C
Having faced, master
D
To face, mastering
. Explosion happened in Wisconsin early Monday,_______ two visitors.
#97311
A
killed
B
killing
C
to kill
D
having killed