---May we leave the classroom now?---No, you . You to leave until the bell rings.
That’s a tall building, and there are ________ rooms on ________ floor.
If you don’t understand the word, you can ________ in a dictionary.
–Did Tom know ________? --I’m not sure.
He was ________ weak ________ he couldn’t go on working.
–Would you mind if I sit here? --________. The seats are for the VIPs, not for the students.