There .
The invention of spaceships makes ________ human beings to travel to the moon.
There is a high probability _________ you will find aspirin and penicillin in any medicine cupboard in the world.
I don’t care whatever difficulty I will have _________ this survey.
---What do you think of the movie? ---Wonderful. It couldn’t be ________.
The conference has been held to discuss the effects of tourism _________ the wildlife in this area.