请根据句意从方框中选择合适的单词,并用其适当形式填空,使句子通顺。
company forty I visit help |
This is not your book. It’s __________.
Every year, lots of __________ come to visit the Great Wall.
The boy is __________. He often helps me with my lessons.
There are three big __________ in their hometown.
Today is her mother’s __________ birthday. They are going to have a dinner party.