What do we know about the author’s family?

(单选题)It was not until mum agreed to take him to the zoo, ______wa (单选题)Almost 90% of the most popular video games contain violence, (单选题)______ is not modernist literature. (单选题)If we ______ adequate preparations, the conference wouldn’t (单选题)Take a taxi, ______ you’ll miss your train. (单选题)Physical activity is beneficial to the brain just ______ men (单选题)There are many strict principles for students, ______ his ne (单选题)No matter how careful you are, there will always be a degree (单选题)He is ______. Tell him not ______. (单选题)—Goodbye, John. Come back again sometime.—Sure. ______.