根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。
Learning English online is an effective way to improve your English. But with any type of learning you need to be prepared. This passage will 
give you advice and tips on how to get the most out of your online lessons.
1
This is an obvious point but also the most important one. A computer, a good Internet connection and a headset are what you will need to take classes online. A web camera is also pretty important. Make sure that your computer is turned on, that everything is plugged in correctly and that you have tested the connection. Doing this before the class means that you will be ready when the lesson starts
Take the classes somewhere quiet.
2 Trying to listen and participate(参与) in English classes is very difficult when there is noise around you. So find a quiet room and make sure that no one disturbs you while you are taking your lesson.
3
When grammar or anything else is being taught, make sure that you understand it. You won’t need to practice it at this time; just make sure that everything is clear. If you don’t understand what is being taught, ask your teacher to explain it again. Your teacher will be more than happy to deal with whatever puzzles you.
Practice speaking English.
Every class is an opportunity to practice your English speaking with a native and qualified teacher. Try to allow the conversation to flow by listening and talking in a natural way. 4 The teacher should note the mistakes and correct them at a later time.
Relax.
Come to class feeling relaxed and excited. 5 Come into the class excited about learning English. You will be able to get more out of the class this way.
A．Review after the lesson
B．Make sure everything is ready.
C．Understand what is being taught.
D．Get away from everything that may be going on in your homeE. Language learning should be enjoyable especially in online classes.
F. You will meet many problems when you are learning English online.
G. This is your chance to speak English without worrying about too many mistakes.
