阅读下列短文 ，从每题所给的四个选项 （A 、B 、C 和 D ）中 ，选出最佳选项。
It’s really good to know you are covering for me while I’m away on the training course. Thanks so much. Knowing that you’ll be teaching the kids has made me relaxed. I’m sure you’ll get on fine with them. I thought I should leave you some notes on a couple of things that are planned for this week, and other advice that will hopefully see you through to next Friday!
Tuesday: The class is going to visit the Dinosaur Museum. Make sure they take their notebooks and remind them on Monday to bring a packed lunch and the entrance money.
Thursday: I’ve promised them they can watch a Disney DVD as a special treat. It’s in my locker. There are some worksheets (活页练习题) to go with it. By the way, don’t worry about marking them — I’ll do it when I’m back.
You know, the head teacher is on the warpath about being late, so be warned! If you get to school even a minute past 8:15, she’s likely to give you a real telling-off.
Seriously, though, you’ll have a great week — the kids are wonderful. Don’t let Mark and Jack sit together and you shouldn’t have any disciplinary (纪律的) problems! Which reminds me, if you do have any problems, just tell the head. She’s very supportive when it comes to discipline. One last thing — could you leave not