137. The young couple bought a ________with two halls and four rooms when they got married.

The bell ________ the end of the period rang,________ our heated discussion. [ ]

－ Mum, why _______ some water － Good idea. I am feeling a little thirsty.

The news _______ Li Jianrou won the first gold medal for China in the Sochi Olympics was reported in yesterday’s newspaper.

What rules youhave to obey(服从)