__________ entered the office when herealized that he had forgotten his report

Limited natural resources should be made full use of ________ the ________ need of energy.

Excuse me. Could you tell me —＄328

What a nice sweater! Did you buy it in a store—No, my mother made it by ________

Do you know when the London 2012 Olympic Games willstart–It will start ________ July 27th, 2012.You can visit London that summer.