_____ we need more practice is quite clear.
The teacher ____________his students to leave the classroom as soon as possible .
Most Americans would prefer to keep their problems _________ themselves and solve their problems __________ themselves.
— How about a film tonight? — __________ I haven’t been to the cinema for a long time.
— What do you think of the book? — Oh, excellent. It is worth __________ second time.
I’m feeling sick. I __________so much chocolate.