It is important to keep ______ in an emergency (紧急情况).

Her skirt had been so _____ in packing that she had to iron it before going out.

Young drivers are____ to have accidents than old drivers.

The book is primarily ___________ Soviet-American relations during the Cold War.

He was watching her doing it with a _________ look on his face, as if to say that he would not change his mind.