. The library’s study room is full of students _______ for the exam.
Everybody has _____ responsibility to save water, if future generations are to enjoy ____ similar standard of living to the one we enjoy now.
— Do you know when he ________ the trip to the USA? — Perhaps next week, but I’m not sure.
My sister is determined. ________ she has made up her mind, nothing can change it.
Tom’s mother angrily told him ________ games on the Internet.
He has a good command ________ maths and plays an important part ________ our team.