Theprofessorworkedfor7hoursata________.
A
此题考查的是固定词组搭配。 at a stretch 一口气地
Amongthefollowingwords,“______”containsanegativeprefix.
TheIndo-EuropeanlanguagefamilyismadeupofthelanguagesofthefollowingEXCEPT______.
OxfordAdvancedLearnersDictionary’,3rdEdition(1980),isamongthebest-knownBritish______dictionaries.
Wordsthatareidenticalonlyinspellingbutdifferentinsoundandmeaningarecalled______.