Trả lời:

$1.$ It was cold but he went swimming. (although)

→ Although it was cold, he went swimming. 

$2.$ Her voice is beautiful. She doesn’t want to be a singer. (despite)

→ Despite her beautiful voice, she doesn't want to be a singer.

$3.$. Although he was successful, he felt sad. (in spite of)

→ In spite of his success, he felt sad.

$4.$ This girl is intelligent. She is friendly with her friends. (despite)

→ Despite the girl's intelligence, she is friendly with her friends.

$5.$ This is his first role. His acting is excellent. (however)

→ This is his first role, howerver his acting is excellent.

Chúc bn hc tốt!!!