________ refused to answerand kept their mouths shut

seems in low spirits— Yes, all her efforts were ____ and no one wasinterested in her invention

（题文）（2016 江苏卷）Many young people, most _________were well-educated, headed for remote regions to chase their dreams.

I try a lot of vegetables。

ng doesn’t ________ mean you’re happy.Sometimes, it just means that you’re strong enough to face problems.