Mary has just got an invitation to the party. She is now in a __________ as to whether to go there in her old dress or to stay at home.
Mr Li required the computer equipment referred ________ used in every classroom.
— May I stop here? — No, you _____.
Please open the window, _____?
. You _____ return the book now. You can keep it till next week if you like.
The plant is dead. I _____ it more water.