The professor worked for 7 hours at a ________.
A
此题考查的是固定词组搭配。atastretch一口气地
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.
Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
Moderneconomics________thecountry’sagriculturalpolicies.
Whenareadercomesacrosstheword“home”inhisreading,thewordmayremindhimofhis“family,friends,warmth,safety,etc.”Inthissense,theword“home”conveys______.
Weareinterestedintheweatherbecauseit_______ussodirectly—whatwewear,whatwedoandevenhowwefeel.