A. although

Sentence: Although my father is old, he goes jogging.

Explanation: "Although" is used to show a contrast between two clauses.

A. Because of

Sentence: Because of the rain, we postpone our picnic.

Explanation: "Because of" is used to indicate the reason or cause.

C. even though

Sentence: He refused to give up work even though he won a million pounds.

Explanation: "Even though" is used to show a contrast or concession.

D. although

Sentence: Although it was raining heavily, he went out without a raincoat.

Explanation: "Although" is used to contrast between the raining heavily and going out without a raincoat.

A. In spite of

Sentence: In spite of the wet weather, the football match went ahead.

Explanation: "In spite of" is used to show that something happened despite an adverse condition.

C. because of

Sentence: We cannot see the road because of the fog.

Explanation: "Because of" is used to indicate the cause of the inability to see the road.

C. even though

Sentence: These boys were punished even though they went to school late.

Explanation: "Even though" is used to show that the punishment occurred despite the reason given.

D. Nevertheless

Sentence: It was cold and wet. Nevertheless, Bob put on his swimming suit and went on the beach.

Explanation: "Nevertheless" means "in spite of that" and is used to show contrast.

B. because

Sentence: I can't ride my bicycle because there isn't any air in one of the tires.

Explanation: "Because" is used to explain the reason for not being able to ride the bicycle.

B. nevertheless

Sentence: I got to class on time nevertheless I had missed my bus.

Explanation: "Nevertheless" is used to show that something happened despite a preceding problem or obstacle.

A. but

Sentence: Some snakes are poisonous, but others are harmless.

Explanation: "But" is used to contrast between poisonous and harmless snakes.

D. Despite

Sentence: Despite he likes chocolate, he tries not to eat it.

Explanation: "Despite" is used to show a contrast between liking chocolate and trying not to eat it. (Note: In formal writing, it is more correct to say "Despite liking chocolate" or "Although he likes chocolate".)

D. because

Sentence: Last night we came to the show late because the traffic was terrible.

Explanation: "Because" is used to indicate the reason for arriving late.

C. despite

Sentence: Despite his broken leg, he didn't come to class yesterday.

Explanation: "Despite" is used to show that something happened despite an adverse condition.

D. though

Sentence: Though there is a lot of noise in the city, I prefer living there.

Explanation: "Though" is used to show a contrast between the noise and the preference for living in the city.

B. in spite of

Sentence: In spite of it raining heavily, he went out without a raincoat.

Explanation: "In spite of" is used to indicate that the action was taken despite the adverse condition of heavy rain.

A. Although

Sentence: Although he wasn't feeling very well, Mr. Graham went to visit his aunt as usual.

Explanation: "Although" is used to contrast between not feeling well and going to visit his aunt.