Linda a cough for a week. She has to rest at home.

David is animal fur, so he won’t visit anyone who has cats or dogs in the house.

27He often thinks of ______ he can do more for his country, so he is highly spoken of by the people throughout the country

下列各句中，没有语病的一句是（）

Several companies are__________ each other__________ a contract（合约）.[ ]