Can you tell me all about the earthquake?—Sorry, I know nothing about it _____ I read in the newspaper[ ]

It puzzles the scientists _____ some mammalsproduce their young _____ others lay eggs

Sang Lan was so seriously injured that she was ______ to a top hospital in New York

, do you remember the first time we met — Sure. You ______ the suitcase at the airport.

If there _____ an art exhibition in our city next week, our class _____ go and enjoy it.