Theprofessorworkedfor7hoursata________.
A、stretchA
此题考查的是固定词组搭配。 at a stretch 一口气地
WhichofthefollowingisNOToneofthecharacteristicsofidioms?
Howmanymonomorphemicwordsarethereinthefollowingwords?catsbossworkimpropertried
—Davidhasmadegreatprogressrecently.—_______，and_______.
Perseveranceisakindofqualityandthatis_______ittakestodoanythingwell.
Weweretoldthatthestonefigure_______backtothe16thcenturywasofgreatvalue.
