The boss promised to give reward to ________can work the problem out

下列各句中，没有语病的一项是（ ）

Peter tried on three jackets, but ______ of them fitted him.

. — I prefer western food. It’s delicious and good for us.— _____ But western food is said to be high in sugar and fat.

Beijing is well worth visitingI _____ there with my parents during the holidays.— I agreeI have been there twice