1.Have you ever seen the famous ________(喜劇) Twelfth Night by Shakespeare ?
2.We are not allowed to________ (靠近) the forbidden area.  
3.He has got a ________ (獨(dú)特) opportunity to study abroad.  
4. Can you understand this passage without __________（解釋）?
4. The ________ (發(fā)現(xiàn)) of radium has helped many people.    
6. This road is about 1,000 meters in _________（長(zhǎng)）.
7. The professor will fly ________(直接) to Tokyo tomorrow morning.
8. Hard work leads to success and ________（失�。﹍ies in laziness.
9. For _____ (各種各樣)reasons, he had to leave his homeland.
10. Seconds count in_____ (緊急情況) and knowing what to do can mean the difference
between life and death.