If you______ to see my butterfly collection, I'll be glad to show you.

单项选择题We must firmly follow the path of development that is ______China's national conditions.

单项选择题The defendant was__________ to ten years in prison for robbing a jewellery shop.

单项选择题Never before_______ won gold medals in the Olympic Games.

单项选择题Could I change my pounds ______dollars, please I'm off to the USA shortly.

单项选择题We would greatly____ any advice you may care to give.

单项选择题All flights_______ because of the snowstorm, many passengers could do nothing but take the train.

单项选择题As the plane flew off towards the mountains in the distance the sound of its engines gradually________ .

单项选择题The farm produced more food than_________ thought possible during World War II.

单项选择题The building looks deserted but there‘s _______to be someone on guard there.

单项选择题She has to work hard to keep the house_____ and tidy with three small children.