A new survey released by Yale University finds that Americans trust scientists most when ______ comes to information on climate change.
| A．that | B．this | C．it | D．there |
____you have got a chance, you should make full use of it.
| A．After | B．As soon as | C．Although | D．Now that |
______, 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