Theprofessorworkedfor7hoursata________.
A、stretchA
此题考查的是固定词组搭配。 at a stretch 一口气地
Frankalmostneverreceivedanyeducation,____?
Shehiredalawyertoinvestigate,onlytolearnthatGabrielhadremovedhernamefromthedeed.Theinfinitiveverbphrase“onlytolearn”isused____.
Thethreementriedmanytimestosneakacrosstheborderintotheneighboringcountry_____bythepoliceeachtime.
翻译：
Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)
You____thatlettertoJames.However，youdidn't.
