because

He is tired _____ he works very hard.

• because

• because of

He earns a lot of money ______ working very hard.

• because

• because of

_______ the bad weather, we cancelled our trip.

• Because

• Because of

_______ the house is small, we can't live in it.

• Because

• Because of

Combine two sentences into one, using "because"

It is hot. We go swimming.

Combine two sentences into one, using "because of"

The salary is low. We quit the job.

Combine two sentences into one, using "because"

He is free. He spends time playing with his children.

He is rich. He can buy anything.

• Because of he is rich, he can buy anything.

• Because his richness, he can buy anything.

• He is rich so he can buy anything.

He is short. He can't reach the topshelf.

• He is short because he can't reach the topshelf.

• He can't reach the topshelf so he is short.

• Because he is short, he can't reach the topshelf.

______his old age, he runs slowly.

• Because

• Because of