Complete the sentences, using the words in the box

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Ex 2. Complete the sentences, using the words in the box.
since
as though
1............
although
when
while
as long as
unless
because
before
in case
Jim came home, he realized that someone had broken into his house.
2. You'd better bring your raincoat
.......... rain
rain pours down.
.......
3. They have been colleagues
4.
they graduated.
................Jim
Jim puts more effort in his studying, he won't catch up with his classmates.
5. My mother always reminds me to wash my hands ................. I have meals.
6. We will go picnicking
the weather is fine.