Mother wanted to be a good provider, a role she since her marriage to Father.
| A．shoulders |
| B．shouldered |
| C．is shouldering |
| D．has been shouldering |
____ the sun, nothing would grow.
| A．For | B．With | C．Under | D．Without |
Our bus drove ____ the Great Hall of the People.
| A．across | B．through | C．past | D．over |
I was wandering ____ the streets when I caught sight of a tailor's shop.
| A．across | B．through | C．by | D．past |
We walked ____ the Tian An Men Square to the Museum of Chinese History.
| A．across | B．through | C．by | D．past |
The plane flew ____ the city.
| A．across | B．past | C．through | D．over |