Exercise 1: Supply either “BECAUSE or BECAUSE OF” as appropriate.

BECAUSE + S+V +O= BECAUSE OF +N 
1. It was difficult to deliver the letter ………BECAUSE…….…the sender had written the wrong address on the envelope.
2. We decided to leave early …………..BECAUSE…………….the party was boring.
3. Rescue attempts were temporarily…………BECAUSE OF………..…the bad weather.
4. They visited their friends often ………BECAUSE……………they enjoyed their company.
5. Paul can’t go to the football game ……………BECAUSE OF………………his grades.
6. Marcella was awarded a scholarship……BECAUSE………….her superiors scholastic ability
7. Nobody ventured outdoor …………BECAUSE OF……………..the hurricane warning.
8. We plan to spend our vacation in the mountains ……BECAUSE……....the air is purer there
9. We have to drive around the bay ………BECAUSE……..the bridge was destroyed in the storm.
10. The chickens have died ………BECAUSE OF…….the intense heat.
Exercise 2: Complete the sentences with “ALTHOUGH, IN SPITE OF, BECAUSE or BECAUSE OF”.

ALTHOUGH + S+V+O= IN SPITE OF +N 

27. …………ALTHOUGH……………it rained a lot, we enjoyed our vacation.

28. a/ …………in spite of……………all our careful plans, a lot of things went wrong.
b/ ……ALTHOUGH………….we had planned everything carefully, a lot of things went wrong.
29. a/ I went home early …………....because..................….I was feeing sick.
b/ I went to work the next day ………although……………I was still feeling sick.
30. I couldn’t get to sleep ……………because…………..there was a lot of noise.
31. I didn’t get the job …………in spite of………………….being extremely qualified.
32. ………although……………………..the traffic was bad, I arrived on time.
33. I couldn’t sleep …………because……………….. I was really tired.
34. The flight may be cancelled …………because of………………the thick fog.

1. because

2. because

3. because of

4. because

5. because of

6. because of

7. because of

8. because

9. because

10. because of

     

27. Although

28. In spite of

29. because - although

30. because

31. In spite of

32. although

33. although

34. because of