It is normal for students to feel_______ before the examination even though they have prepared well.

When the post fell _______, Dennis Bass was appointed to fill it.

—What do you plan to do on the ___________ May Day holiday?—I have no idea. Probably, I will spend it by doing many papers.

 While sometimes it’s necessary to have phone calls in public, loud phone conversations are not so     .

I often visit my parents, who live in the countryside whenever_______.