The Internet gives students the chance to have the materials they need _________ to them quickly and cheaply.

May I go and play with Dick this afternoon, Mum?No, you can’t go out _______ your work is being done

Try not to cough more than you can_____since it may cause problems to your lungs

He old woman had a letter from her son in the army_____ to her.

The traffic in our city is already good andit _____ even better