This harbor is a natural harbor.（英译中)

There is a page missing in this book.（英译中)

Nature is at its best in spring.（英译中)

He is a key witness in this case.（英译中)

This dish is a bit hot.（英译中)

This is a good place for a picnic.（英译中)

___ the third largest city in Canada, is well known as Ice-Free Harbor.A．MontrealB．QuebecC