单选题 The history professors were dealing with these in historical ______.

单选题 It is not considered ______ to litter in public.

单选题 In children's minds the Spring Festival is ______ with nice food and presents.

单选题 Mr. Smith had an unusual ______: He was first an office clerk, then a sailor, and ended up as a school teacher.

单选题 I need one of you to ______ the examination papers to the class for me.

单选题 The international situation is very ______ in the Middle East.

单选题 People could hardly ______ their anger when they found millions of dollars of public funds had been used to build luxurious houses for city officials.

单选题 He seemed to have come to a deadlock in solving the puzzles, so he simply ______ whatever came into his head.