difficult,sounds,and,math,boring.连词成句（陈述句）

difficult,sounds,and,math,boring.连词成句（陈述句）
difficult,sounds,and,math,boring.连词成句（陈述句）

difficult,sounds,and,math,boring.连词成句（陈述句）
Math sounds difficult and boring.

Math sounds difficult and boring

math sounds difficult and boring!

Math sounds difficult boring.