My doctor recommended that I _______ more exercise.

What a pity! I ______ with my uncle when in Hainan, but I stayed in a hotel.[ ]

On the top of the hill ______ an ancient tower with ahistory of more than 1, 000 years.

He quite appreciated ____ to the ball at the palace.[ ]

81. ________is a kind of food made frommilk curds.