What do you mean, there are only ten tickets? There ________ be twelve.
They suggested not only______ to the party but also give a performance.
____________ great help, I could get rid of all the difficulty and succeeded.
The movie is__________ boring; it is, in fact, rather exciting and interesting.
The reason__________ their failure you know is they didn't get fully prepared for the experiment.
___________ you've got a chance, you might as well make full use of it.