____ is known to everybody, the moon travels round the earth once every month.
The famous singer ______ where he was born and in 1930 he came to Beijing.
— What is it ______ made her upset? — It is the missing bike.
— It’s very cold here in winter. Have you _______ here? — Not yet. I find it hard to adapt to the weather.
____the doctors really doubt is____my mother will recover from the serious disease soon.
— Jordan scored more than thirty points in each game in this season. — There’s no doubt that he __________ the title “The Best Scorer”.