The scientists claimed( 声称) to _______ a jet plane that uses atomic energy as propelling _____, but they can’t produce an atom of evidence to prove it. [ ]

80. Materialism isto idealism just as truth is opposed to falsehood.

Is this your book—No, it is ______book. It belongs to_______.

Though the coat is a bit large now , it me very soon .

He is afraid to face the difficulty he thinks he’ll have _________ the driving test tomorrow; he finds it difficult _________ rid of the worries.