―The river runs clear.
―We all appreciate the importance the local government has_______ the environmental protection.
A．attached to B．left for
C．responded to D．learnt from
Be careful that a good name of a product doesn’t _______ mean good quality of it.
A．alternatively B．approximately C．obviously D．necessarily
What we all know is that the old scientist, _______ life was hard in the past, still works very hard in his eighties.
A．for whom B．for him
C．for whose D．for which
_______ he has made a decision, it is not easy for you to make him change his mind.
A．Though B．Unless C．Once D．Until
Jane_______ this Sunday. Let’s go and say goodbye to her.
A．would leave B．left C．has left D．is leaving
The astronauts were so struck by _______beauty of nature that they took lots of pictures in _______space.
A．the ; / B．the; the C．/; the D．/; /
