—Hello, Sally. How’s everything going? —__________ .
I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me..
I hope there are enough glasses for each guest to have ______.
-Do you think we can get there on time? -Yes,_______ the truck doesn’t break down.
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
Some international organizations _____ the fact that developing and developed countries were in different stages of development and should shoulder different responsibilities .