______your parents like ice-cream— ______.

___ the lecture going on, the students gotmore and more interested.

Seldom _____out time to watch TV on Sunday. [ ]

e President Xi Jinping held a welcoming ceremony for US President Obama at ______Great Hall of the People in Beijing, _____ capital of China, on November 12, 2014.

．being late for the important meeting, the secretary got fired form her job