Theprofessorworkedfor7hoursata________.
A、stretchA
此题考查的是固定词组搭配。 at a stretch 一口气地
There is an ambiguity in the sentence “ He is a hard businessman ” due to ______.
ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.
CollinsCOBUILDEnglishLanguageDictionary(1987)hassomeuniquefeaturessuchasdefinition,extracolumnand______.
Moderneconomics________thecountry’sagriculturalpolicies.
Ifyoutrytolearntoomanythingsatatime,youmayget________.
