nown to us all isthat the old scientist, for life was hard in the past, still works very hard in his eighties

y came to “power” as homework monitortwo weeks ago, only________this morning, ________it too big a responsibility forher.

Alice, could you help me _______ the map of the world We don’t need it.–With pleasure.

The theory should____ practice, or it could just be something useless.

_____ I believe，and you willfind him very capable．