Many students don’t know ________their problems, so they often feel stressed.

Hi, Tina, can I use your car for a while this afternoon?—– Sorry, _______

birthday, Mary!—Thank you! It’s the best present I for．

cident produced a very badimpact on the society, so those who _________ the project were severelypunished.

This pair of trousers is too large. Could you show me __________ pair