-- What made her so upset?
-- ______ she failed in her examination.
| A．What | B．That | C．Because | D．Whether |
The children all _______ sadly at the broken model plane and _______ quite sad.
| A．looked; were left | B．were looked; felt |
| C．looked; were feeling | D．looked; felt |
(2012·驻马店高二检测) Here we found little snow, as most of it seemed _______ blown off the mountain.
| A．that it was | B．to be |
| C．to have been | D．that it had been |
Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _______ Sino-US relations have made remarkable progress.
| A．adaptable | B．beneficial |
| C．relevant | D．convenient |
(2012·南京高二检测) Some people are worrying about the possibility _______ mobile phones could be responsible for a range of illnesses, from rashes (皮疹) to brain tumors.
| A．that | B．why |
| C．how | D．whether |
China will continue to curb inflation(通货膨胀) and the economy still has great _______ for rapid growth in the near future.
| A．strength | B．function |
| C．potential | D．burden |