— Why not buy a second-hand car first if you don't have enough money for a new one?— That's a good        .

Haven’t you enough common ________ to know that it is unwise to go outside in such a hazy (雾霾的) day? You may get lost.

I haven't seen ________ of her films, but judging from the one I have seen recently I think she's a promising actress.

I had just posted the letter when I remembered that I hadn’t _________ the cheque.

That hero who died in the war was so brave that he never ____ ____ to the enemies until death.