Class regulations state _____ is the last to leave theclassroom _____ off all the lights

Look at the terrible situation I am in! If only I__________your advice.

What’s that in your hand—Oh, it’s a photo my family.

owed me a red silk dress _____ online,which cost her only 10 dollars.

Lao She’s Teahouse ________ the changes in Chinese society over fifty years.