Liu Yang has gone down into history because she is the first Chinese woman ________ in space.

________ with so much trouble，we failed to complete the task on time.

The rare fish, ______ from the cooking pot, has been returned to the sea.

Technology is developing so rapidly that   for only a year , my cellphone is out-of-date .

From her ______expression, I knew she hadn’t expected I would ask her such an ____ question.