Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
--- How many times have you been to China?--- In fact, it is the first time that I ______ here.
Please ______ the numbers and I’m sure they will ______ more than 1, 000.
The policemen had no ______ in finding the knife that the murderer had thrown.
An athlete can’t play balls well without severe ______.
I ______ the time ______ so quickly.