It will be many years ______ the doctors and medical scientists can find ______ for cancer.

(单选题)What does the passage mainly talk about? (单选题)What’s the main purpose of this passage? (单选题)What does the underlined phrase “this decision” in the last (单选题)What does Vorobet think of foreign carers in the UK? (单选题)Why does the author mention “with about 120,000 unoccupied p (单选题)Why do psychologists want to help chronically lonely people? (单选题)What can we learn about loneliness from the passage? (单选题)What does “it” refer to in the second paragraph? (单选题)How will you deal with temporary loneliness according to the (单选题)What do we know from the story?