The boy _______ sunglasses is my buddy. He likes ________ blue.
---Which month has _______ days in a year?---February.
What_______ honest boy! And he is_______ best student of all.
We were swimming in the lake _______ suddenly the storm started.
The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.
Everybody should study hard. No one can _______ us _______ a good future.