We decide to make ________ a rule for us room-mates to turn off the lights at 10:30 pm.

I’d like to trek ______ the jungle. 

--- Have you finished reading the book?--- ____. I’ll finish it next week.

Yao Ming was a great basketball player. I like _______ very much.

My cousin has made _____ great progress in her spoken English that she can now talk freely with foreigners.