But what is amazing to me is that each kind of ape can ____ the sign language to others of their ____.
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Distant, aggressive wolves and dogs stand tall with their ears ____, and their head ____ high. They show their teeth, and raise their fur so that they ____. They may give a loud bark.
Li lei’s major in college is ____.
Li Lei is applying for the position of ____
Li Lei had his____with a big company and worked on a project.