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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We have to start at 7:15 tomorrow morning, we will be late for the 9:40 plane.
#55158
A
or
B
so
C
if
D
before
I met a friend of mine _________ I was walking along the street.
#56938
A
before
B
as
C
because
D
since
---We can't be successful _____ we keep on working hard. ---I agree with you.
#57280
A
if
B
because
C
unless
D
until
Someone called me up in the middle of the night, but he hung up ______ I could answer the phone.
#57250
A
if
B
since
C
until
D
before