—How long have you been working as an assistant here?—__________I finished middle school.
#31802
A
Ever since
B
Before
C
After
D
When
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________book you choose on the shelf __________ our school library.
#33923
A
Whichever; is belonged to
B
Whichever; belongs to
C
No matter which; belong to
D
Whatever; is belonged to