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。选项中有两项为多余选项。

There is an English saying: “ 1. .” Until recently, few people took the saying seriously. Now, however, doctors have begun to look into laughter and the effects it has on the human body.   2. 

Tests were carried out to study the effects of laughter on the body. People watched funny films while doctors checked their hearts, blood pressure, breathing and muscles. It was found that laughter has similar effects to physical exercise.   3. . If laughter exercises the body, it must be beneficial.

Other tests have shown that laughter appears to be able to reduce the effect of pain on the body. In one experiment doctors produced pain in groups of students who listened to different radio programs. The group that tolerated(忍耐) the pain for the longest time was the group which listened to a funny program. 4. 

__5.__. They have found that even if their patients do not really feel like laughing, making them smile

is enough to produce beneficial effects similar to those caused by laughter.

the face, the stomach and even the feet.

E. Although laughter helps cure the disease, doctors still can not put this theory into clinic practice.

F. Laughter is the best medicine.

G. They have found that laughter really can improve people’s health.

I can’t wait for the Easter holidays.________ round Europe. I got my tickets last week.

A. I’ll travel         B. I would travel      C. I’m traveling       D. I travel

 After the rich man heard the touching story, he________ most of his money to charity.

A. give in           B. give off           C. give away         D. give out

Put that money somewhere safe________ it gets stolen.

A. before            B. after             C. when             D. while

Well, since you ________ it like that, I can’t really refuse.

A. speak             B. put             C. tell               D. say

________anyone phone, tell them I’m in conference.

A. Would            B. Shall            C. Could             D. Should

During________ National Day holiday, I received________ endless messages from interested partners but none were suitable.

A. the, the           B. the, an           C.\,the               D. the,\

It’s easy to become ________to the children you work with.

A. attached          B. devoted          C. abandoned         D. applied

In western culture,21 was the age________ young people traditionally received a key to their parents’ door, as a symbol of entering adulthood.

A. in which          B. on which         C. at which           D. to which

________eastward,________ you’ll pass mountains and thousands of lakes and forests.

A. Going;\        B. If you go, and         C. Going; and         D. To; and