Cause and Effect

Sumatran Tiger are almost extinct _____ people killed to many of them

• because

• therefore

• since

• hence

Haze is ______ by massive forest burning

• as result

• caused

• while

• so

____ they are in love, they forgive each other's mistakes.

• cause

• since

• well

• then

Hard learn ______ he pass the exam

• cause

• because

• as a result

• therefore

Signal word of 'Effect' is ....

• due to

• finally

• hence

• for