Being a _____ girl，Jean is a famous engineer.

　　A．28-years-old　　B．28-year-old　　C．28 years old

Many years ago，Zhan Tianyou _____ the railroad from Beijing to Zhangjiakou.

　　A．build　　B．built　　C．builted

My father was _____ in California in 1960.

　　A．stayed　　B．lived　　C. born

We went to Hollywood on holiday _____ year.

　　A．last　　B．next　　C．past

When I was in Africa，I used to _____ a crocodile in a river．

　　A．saw　　B．see　　C．seeing

_____ and _____ wanted to build the railroad，but the Chinese governmentdidn't agree．

　　A．The Britain；the Russia

　　B．The British；the Russian

　　C．The British；the Russians

梍____ do you _____ the film about Zhan Tianyou?

　　桰t's a very good film．

　　A．What：like　　B．How；like　　C．What；think

It was on Thursday that Yang Liwei returned _____ Earth after his journey _____ space.

　　A．to；into　　B．into；to　　C．to；to

梂hen did they leave school?

　　桾hree hours ______．

　　A．ago　　B．before　　C．after D．in

My grandpa didn't go to sleep ______ I got back home．

　　A．where　　B．until　　C．as soon as D．while