What a pity! Considering his ability and experience, he ______ better.

The building _____ Rome times has beenrebuilt recently.

Red-crowned cranes need more people’s help.—Yes. People working in the reserves are doing everything they can ____these birds.

According to the recent survey, cancer is the leading cause of death among young adults in this area, ____ woman

this kind of medicine, if ________, willdo harm to health.