______, people are beginning to realize how serious this situation is.
A．Fortunate B．Fortunately C．Being fortunate D．being fortunately
When I got home last night, I was frightened to find that in front of my door____.
A．sit a dog B．sat a dog C．was a dog seated D．did a dog sit
The plane crashed and all the passengers _____including 3 children, fell into the sea.
A．around B．aboard C．abroad D．ahead
_____I always felt I would pass the exam, I never thought I would get an A.
A.While B.Once C. If D. Until
When he applied for(申请)a _______in the office of the local newspaper he was told to see the manager.
A．location B．career C．position D．profession
He is famous _____the field of biology, but he is more known _____an environmentalist..
A．for, for B．in, for C．in, as D．in, as
