31. I like getting up very early in summer. The morning air is so good ______.
| A．to be breathed | B．to breath | C．breathing | D．being breathed |
You need some facts _____ to base your theory.
| A．where | B．on which |
| C．in place where | D．in the place |
________ for not keeping his promise，Gary hung his head in shame.
| A．Blamed | B．To be blamed | C．Blaming | D．To blame |
BP announced Thursday that oil has stopped leaking into the Gulf of Mexico ,________ a few Americans think is untrue.
| A．where | B．what | C．which | D．that |
― It will be only 7 months before we take the college entrance examination
―Time flies! ________
| A．A light heart lives long. |
| B．We have time on our side. |
| C．Many heads are better than one. |
| D．Every minute counts. |
With a large amount of equipment________ ,the boss asked the employees to work extra hours.
| A．remaining to be repaired | B．remained to be repaired |
| C．remaining to repaire | D．remained to repaire |