Has anything _________ wrong with your car?

We believe the time and hard work _______ in completing such an important project are worthwhile.

What honestboy! And he is best student of all.

I have never seen the word______ that way before.

在文中横线处填入下列词语，正确的一项是(　　)菜籽油含有亚油酸、亚麻酸、花生酸等三种人体　　　　的脂肪酸，还有油酸。菜籽油能　　　　胆固醇在小肠的吸收，还能促进肝内胆固醇的降解和排出，因此，它对　　　　心血管病的发生有一定作用。