John had to start work at an early age, ___

John had to start work at an early age, ____ his family was very poor.

#56957

but

because

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This book is really good. I’ll buy it, _________ it’s a little expensive.

#55963

because

although

and

 —Why was he late for school?— ________his bike was broken on the road.

#56816

Since

Because

Because of

    --- Hurry up! The bus is coming.--- Wait a minute. Don’t cross the street        the traffic lights are green.

#55220

after

until

while

since

____I was walking to school, I saw a boy crying in the street.

#57531

Until

While

Before

After

________ I’m thirsty , __________ I drink some water.

#56504

Because ; so

So ; because

Because ; /

So ; /