[1~5] 다음 빈 칸에 들어갈 알맞은 접속사를 고르시오. 1. Think twice _____ you answer. (A) after (B) before (C) if (D) when
	2. He laughed _____ it looked funny. (A) that (B) because (C) though (D) if
	3. It is a long time _____ my mother died. (A) while (B) after (C) since (D) when
	4. _____ he was poor, he was honest. (A) Though (B) When (C) If (D) Because
	5. He came up _____ we were talking about him. (A) since (B) when (C) because (D) that