There is an old saying _______ goes “Give a man a fish, and you feed him for a day. Teach a man to fish, and he can feed his belly the whole life”.
He is the only one of the students who __ a winner of three years.
The scientist did __ experiments to test the new drug.
These plants are watered __ .
Guilin is __ worth __. Have you been to it?
The result of the experiment was very good, ___________ we hadn’t expected.