________ we know, the moon goes around the sun.
| A．As long as | B．As far as | C．As much as | D．As soon as |
All these gifts must be mailed immediately__________ in time for Christmas.
| A．in order to have received | B．in order to receive |
| C．so as to be received | D．so as to be receiving |
The glass door have taken the place of the wooden ones at the entrance, _____ in the natural light during the day.
| A．to let | B．letting | C．let | D．having let |
I’d rather have a room of my own , however small it is , than _____ a room with someone else.
| A．to share | B．to have shared | C．share | D．sharing |
Have you ever listened to the song Yesterday once more, ________ singer died in her early years?
| A．its | B．it’s | C．whose | D．which |
He is said ______ in the supermarket when he was doing shopping yesterday.
| A．to have been badly treated | B．treating badly |
| C．being badly treated | D．to be treated badly |