It rained 3 inches, ____ the yard was very muddy.
but
and
so
Polar bears need a cold environment, ____ lions need a warm one.
and
so
but
__________ I had seen the first movie of the series, I didn't understand what was happening in the second movie.
Although
Because
As
_________ I see it for myself, I won't believe it!
Until
Because
After
You can read a book, ____ you can put together a puzzle.
and
so
or
Make sure to check your answers __________ you turn in your test.
after
because
before
__________ I studied all night, I didn't pass the test.
Although
If
Because
McDonald's was crowded _________ they gave away free french fries.
if
because
while
__________ we go to the park, we have to wash the car.
Until
Since
Before
__________ the bell rang, the students quickly left the classroom.
Before
Until
As
You will not pass your classes __________ you do your homework.
Unless
After
Because
__________ my sister's not going to school, I'm not going to school either!
After
If
Unless
_________ you finish your group project early, you can read your book.
Although
If
Unless
Mom said you can't go out to play __________ you finish your homework.
if
since
until
Steve did the laundry, ____ he also cleaned the house.
but
so
and
_________ Maria moved to a new school, she joined the soccer team to make new friends.
When
If
Unless
I don't have time to eat breakfast, ____ I'm very hungry by lunchtime.
but
so
or
Jack needs to stay busy, ____ he will become bored and unhappy.
and
so
or
You don't know what you can accomplish ________ you try.
Unless
while
since
___________ many people think penguins live in the North Pole, they actually live in the Southern Hemisphere.
After
While
Until
_________ Pete wants to be a vet, he's taking a lot of science classes.
When
Since
As
I need to get some sleep, ____ I'm not going to pass my test tomorrow.
and
or
but