How are you getting on with your new classmates— Very well. _____________.

It still puzzles today’s scientists ______ some mammals produce their young ______ others lay eggs to produce their offspring( 后代)

What do you think I should wear for such a formal press conference?— Dress ____ you like[ ]

f a beard is a sign of smartness, the_____ will be a Socrates .

We first met on a train in 2000We both felt immediately that we___each other for years