# 1簡答Combine two clauses to form a sentence: The sun was shining. It was still cold.The sun was shining, but it was still cold.
# 2簡答Combine two clauses to form a sentence: She studied hard. She passed the exam.She studied hard, and she passed the exam.
# 3簡答Combine two clauses to form a sentence: He likes pizza. He does not like pasta.He likes pizza, but he does not like pasta.
# 4簡答Combine two clauses to form a sentence: The movie was long. It was entertaining.The movie was long, but it was entertaining.