Tom didn’t understand the text ________ the teacher explained it to him.
#58317
A
when
B
while
C
until
D
since
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I don’t have to introduce him to you ________ you know the boy..
#57792
A
until
B
unless
C
since
D
but
Tom didn’t understand the text ________ the teacher explained it to him.
I don’t have to introduce him to you ________ you know the boy..