He insured his car ________ he had an accident.
D
他给自己的汽车投了保，以防万一遇到交通事故。考查连词词义区分题。A否则，要不然B如果C自从，由于D以防万一，以免
Perseverance is a kind of quality and that is _______ it takes to do anything well.
Generally,adictionarycoversthefollowingcontentsEXCEPT______.
Lexical manipulation is one aspect of the rhetorical features of idioms. The following EXCEPT ______ belong to lexical manipulation.
One can figure out the meaning of “ airmail ” to be “ mail by air ” by its ______.