Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
Don't leave for there until__________ to do so.
Tom’s teacher kept on telling him to practise speaking English, but _______ didn’t work.
These plants are watered___________
Tom admitted ______ in the examination and he was not admitted _____ the school at last.
We tried to _______ his doubts and let him tell the truth.