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What is the best way to combine these sentences
The students in the class wanted to meet her: they cheered when Lassie came into the room.
The students in the class wanted to meet her, but they cheered when Lassie came into the room.
The students in the class wanted to meet her, and they cheered when Lassie came into the room.
The students in the class wanted to meet her, they cheered when Lassie come into the room.
What is the correct way to edit sentence
Group of answer choices
Lassie barked with the student's clapped their hands.
Lassie barked when the students' clapped their hands.
The sentence is correct as written.
Lassie barked when the students clapped their hands.