（準2級問題） Anna __________to her husband's plan to visit New York because, she'd been there many times.
objected
proposed
approached
presented
(2級問題） Carlos won the school science prize for a well-planned __________that tested the effect of electric light on flowers.
statement
entertainment
experiment
replacement
（準1級問題） In response to research showing that secondhand cigarette smoke is __________ to people's health , the government has banned smoking in many public places.
hazardous
adorable
vigorous
indulgent
(1級問題） Thanks for the help of an informer, the police were able to __________ the criminals before they had a chance to carry out the bank robbery.