Let`s go___ ___lions first这两个空应该填什么

Let`s go___ ___lions first这两个空应该填什么 Let's go___(help)that grandma carry the box.怎么填? Let's go___(help)that grandma carry the box.怎么填?我看到的答案是填 to help,为什么这样填? 1.Let’s go___(thing)depend on air.2.He is busy___(get)ready for his new work.3.It’s only a few hundred___(metre）away.4.The little girl couldn’t find___(she)way home. Let's let's Let's Let’s let's let 's Let's let's Let's LeT'S let's let's Let's Dance,Let's Dance,Let's Dance 歌词 Let's Play!