Which of the two English dictionaries will you buy?——I’ll buy ________ of them, so I can give one to my friend Helen.

_______ bike is next to my car? — Oh, it’s Sonia’s, it’s a nice one.

Polly’s mother was anxious about ______ she could get home safely in ______ foggy a day.

He always makes a cake ___ his birthday . [ ]

It _____ sunny today, but it _____ cloudy yesterday.