— What do you like to do in your leisure time?　
　— I enjoy ____ with my friends.
talk B. to talk  C. having talked  D. talking

He’s very good at English. He spends most of his free time______ new words.

Several months later, he found his deskmate very difficult _______.

According to a recent survey, children spent up to 25 hours a week _____ TV.

She writes slowly so she has trouble ______notes in class．
A．taken          B．taking         C．to take

They preferred_____ rather than_____a bike.
A.to walk; to ride       B.walking;riding       C.to walk;ride

Workers can’t be made ________ for twelve hours a day.

Each year quite a lot of food ______ around the world. It’s really time for us to do something.
A. was wasted      B. is wasted    C. wasted          C. will be wasted

---Excuse me. I’m looking for Be the Best of Yourself.
---Sorry. The book you ask for ______ out.

He was often seen _________ with charity work last year.