根据短文内容，从短文后所给的选项中，选出能填入空白处的最佳选项，选项中有两项为多余选项。

Flu easily spreads from one person to another. If you are weak, you probably catch flu easily. Do you know how you can avoid flu? 【小题1】

Keep in good health.

You can eat everything you want but make sure that your diet is healthy. 【小题2】 Most doctors suggest drinking lots of fresh fruit juice and water is helpful to avoid flu.

【小题3】

If a member of family or a friend has flu, stay away from him/her until he/she is well. Flu is very communicable(会传染的). If you stay with the person with flu, you can catch flu easily. Wear a mask(口罩) and avoid using things that the person with flu is using.

Exercise.

Exercising will make you stronger, which means a stronger immune system(免疫系统), too. 【小题4】 It doesn’t matter what kind of exercise it is.

Be happy.

【小题5】Their life isn’t stressed out, so they may be safe from illness. If you are unhappy, you will easily get sick.

Avoiding the flu is easy. Just boost(增强) your immune system and it will take care of the rest.

A．Have a good rest.

B．Stay away from people with flu.

C．Happy people are healthy people.

D．Here are some suggestions for you.

E．Sometimes the flu is just like a common cold.

F．Exercise often so that your body will keep healthy.

G．The healthier you eat, the better it is for you to avoid any type of illness around.