Theprofessorworkedfor7hoursata________.
A
此题考查的是固定词组搭配。 at a stretch 一口气地
Among the following words, “ ______ ” contains a negative prefix.
The differences between synonyms exist in the following areas EXCEPT ______.
Generally, a dictionary covers the following contents EXCEPT ______.
Agoodworkerinakeyspotcould,so_______ashekeptupproduction,takeallthecoffeebreakshewanted.