To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.
| A．to take | B．to have taken | C．having taken | D．taking |
The teaching building in the big earthquake was our chemistry lab.
| A．being destroyed | B．destroying |
| C．to be destroyed | D．destroyed |
He knows little English that he has never been offered an job.
| A．such;exciting | B．so,exciting | C．so;excited | D．such;excited |
He looks forward with great interest the 2010 Shanghai Expo in the summer holiday.
| A．to see | B．of seeing | C．to seeing | D．for seeing |
________ the phone functions get, it doesn’t make much sense to those using it mostly for calling.
| A．Various if | B．Various as | C．So various | D．More various |
If these two colors, being color-blinded can be diagnosed.
| A．not distinguished |
| B．one can’t distinguish |
| C．not distinguishing |
| D．one not having distinguished |