. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
| A．process | B．attention | C．measure | D．part |
My headache is killing me．I it away．But now it’s getting worse and worse．
| A．think; is going | B．thought; was going |
| C．have thought; is going | D．had thought; was going |
—Rose, mind your step! Aunt Jane slipped over on the wet floor and broke her leg yesterday．
— ___ ．
| A．It’s none of your business | B．It doesn’t matter to me |
| C．Thank you for your reminding | D．I will remember your words |
The door ．Better have it repaired．
| A．won’t shut | B．hasn’t been shut | C．won’t be shut | D．isn’t shut |
Nine thousand guests took part in the outdoor ceremony, that impressed so many people at the White House．
| A．that | B．this | C．it | D．one |
The local government is trying all out to find out who is the forest fire．
| A．to blame for starting | B．to blame to start |
| C．to be blamed for starting | D．to be blamed to start |