Theprofessorworkedfor7hoursata________.
A、stretchA
此题考查的是固定词组搭配。 at a stretch 一口气地
Police are ________ the disappearance of two children.
—David has made great progress recently. — _______，and _______.
Howmanymonomorphemicwordsarethereinthefollowingwords?catsbossworkimpropertried
ModernEnglishvocabularydevelopsthroughthefollowingchannelsEXCEPT______.
Oxford Advanced Learner s Dictionary ’ , 3rd Edition (1980), is among the best-known British ______ dictionaries.
