I feel sure I _____ her before somewhere.
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
—Could I borrow your dictionary?-—Yes, of course you _____.
Mr. Bush is on time for everything. How _____ it be that he was late for the opening ceremony?
--What do you think of it?--I think it is a thing of importance that it ____ done soon.
She is too slow. She ________ pass the test, but she __________ too little.