Are you free after school?—Sorry.I’ve planned to treat a friend of mine to dinner ________ for his help.[ ]

We should respect food and think about the people who don’t have we have here and treat food nicely

Thank you for reminding me of the meeting.– _______________.

When I came ______ with the teenager hidden in the cave, I was surprised to find him _____covered with dust[ ]

It is reported that two schools, ________ are being built in my hometown, will open next year.