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.
—Davidhasmadegreatprogressrecently.—_______，and_______.
Howmanymonomorphemicwordsarethereinthefollowingwords?catsbossworkimpropertried
Whathetolduswasmoreofa(n)________thanareality.
Eachofusshould_______asideafewminutestohavearesteveryday.
