—What do you think of our design for the new car？
—Pretty good. But I find theirs is _____ worth considering and studying.
| A．more | B．very |
| C．better | D．well |
________ Sandy's damage is unlikely to last long, it would apparently hurt the total economic output of the fourth quarter.
| A．Since | B．Before |
| C．Unless | D．Although |
The progress of the work will depend on what the weather conditions are and ________ modern the equipment is.
| A．how | B．whether |
| C．what | D．which |
(2013·银川高三二模)It remains to be seen ________ this plan is practical enough to keep the project going.
| A．whether | B．how |
| C．where | D．when |
Scientists have found evidence ________ global warming caused the world's first horses to become smaller nearly 50 million years ago.
| A．what | B．that |
| C．which | D．whether |
Some place names have been changing over the years. For example, Jinling in ancient China refers to ________ is now called Nanjing.
| A．that | B．which |
| C．what | D．whether |