-If we take a plane, we'll of course have arrived in Paris by the next weekend. (皖南八校)-Don't be sure, we should______the weather factor. What shall we do if it is foggy?
We agreed to accept ________ they thought was the best professor in the college.
I don’t know who invented ________ telephone. It’s really ________ most useful invention.
----Whose advice do you think I should take? ----________.
I know a little bit about the city as I __________ there for one year in my youth.
Leaves are found _______ all kinds of trees, but they differ greatly ________ size and shape.