It was no surprise that an awful accident ____ occur the day when they were drunk.
Parents and children should communicate more to __________ the gap between them so that they can understand each other better.
Though __________ to see the strangers, the housewife gave them a big smile and said hello.
__________,he will not take off his coat.
People from all over the country __________ they are old or young, rich or poor, are doing whatever they can to help the sufferers in the earthquake-stricken area.
If we work hard with a strong will, we __________ overcome any difficulty,__________ great it is.