---Sorry for being late again.---__________here on time next time, or you’ll be punished.

________ blood if you can and many lives will be saved.

I know one of the things _____I was unsure about was _____ hard it would be to climb   this mountain.

—________ fine weather it is today!—Let's go for a picnic.     

Please do me a favor---_____Mr. Wang of the date and place of our party.