The medicine tastes ________ , but works ________.

Chanjiang River is one of________ in the world.

_, and students having returned, the school will start with ________ effort in the work that lies before it.

It took the scientists seven days to________Takla Makan________“the sea of death”.

Why don’t you buy it after so long a time of bargains?—I can’t accept his _______price.