Comparedwiththe_____periodlastyear,averagetemperatureshavebeenlow.

The following is a specimen of Black English. “ We?s safe, Huck, we?s safe! Jump up and crack yo ? heels, dat?s de good ole Cairo at las?, I jis knows it! ” This variety of English is characterized by the following except its ______.

These days people are becoming more and more _____ about the food they eat.

Wecannot_____thecountry’stelecommunicationstounqualifiedpeople。

Inthelasttwentyyears,breakthroughsintechnologyhave_____advancedthewaywecommunicate,bringinguscomputers,cellphonesandtheInternet.