If we want to study English well, we must practise ________ English．

to speak

speaking

to say

saying

She is a ________ woman, but she looks very young．

forty years old

forty year old

forty-years-old

forty-year-old

Last night they ________ Beijing．

reached in

reached to

got at

arrived in

We call Yang Liwei“________”

the first Chinese astronaut

the first China astronaut

Chinese first astronaut

China's first astronaut

Yang Liwei ________ Earth after his journey into space．

returned

returned to

returned back

returned back to

They are watching ________ news on TV．

the newest

the must new

the latest

later

There is a bridge ________ the wide river．

over

under

across

through

The railroad goes ________ the mountain．

over

through

under

across

There is a railroad ________ train between Beijing and Guangzhou．

of

for

at

on

________ is good for your health ________ after supper．

That, to walk

That, walking

It, to walk

It, walking