祖先们可能回到世界上帮助他们，也有可能带来危害。

Their ancestors could return either to help or to ______ _____ _______ them.

祖先们可能回到世界上帮助他们，也有可能带来危害。

Their ancestors could return either to help or to ______ _____ _______ them.

除夕烧香祭祖是中国的社会习俗。

It’s the ____ ______to light incense in memory of ancestors at the Spring Festival Eve in China.

请原谅我忘记了你的生日。Please ______ me _______ forgetting your birthday.

It’s important to keep the b_______ of nature.

It is important to know your own w____________.

Many scientists are doing r_______ into the cause of this strange illness.

Xiao Wang felt frustrated that a lot of c_____ went to a newly-opened small restaurant.

Foods for the old should be easy to be d_________.

We all a________ her for the way she saved the children from the fire.