Some insects have a life ______ of no more than a few hours.A．potentialB．spanC．scaleD．scop

The novel contains some marvellously revealing ______ of rural life in the 19th century.A．

The novel contains some marvelously revealing ______ of rural life in the 19th century.A．g

Many people are ______ to insect bites, and some even have to go to hospital. [2000]A．inse

Some people______garden insects by spraying poison on the plants.A．eraseB．exterminateC．exc

Most people make such mistakes______in their whole life.A．some timeB．sometimeC．some timesD

This boy often dreams______a happier life on some other planet.A．withB．ofC．forD．in