The murderer was brought in, with his hands _________behind his back.
| A．being tied | B．having tied | C．to be tied | D．tied |
Who ________ for the bullet train accident that has happened in Zhejiang,China?
| A．is blaming | B．is to blame | C．has blame | D．is to be blamed |
___ poor at English, I'm afraid I can't make myself ___.
| A．To be; understand | B． I'm ; to understand |
| C．Being; understanding | D．Being; understood |
_______ with new challenges, he is always ready for them and never gives up.
| A．To face | B．Having faced | C．Facing | D．Faced |
Sending man into ______ space is not _____dream for human beings any longer.
| A．/; a | B．the; a | C．the; the | D．/; the |