— Thank you for sharing your ruler with me.— That’s what friends are for.
It _______ long ______ we know the result of the experiment.
--- Would you please give him the paper the moment he _______? --- No problem.
---Teenagers are sometimes made _________ ______ they are not_________.--- I agree.
He enjoys a cup of coffee in the afternoon sometimes, but ______ he drinks tea.
The number of children who have lost parents to AIDS ___ to rise to over 26 million in 2011.