The professor worked for 7 hours at a ________.
A、stretchA
此题考查的是固定词组搭配。atastretch一口气地。
Why do you blame him for his poor judgment on the matter ______ he really needs is encouragement?
Ithasbeenfoundthatastrong________helpovercometheeffectsofdistraction.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
Neverbefore_______sorapidlydevelopingasitistoday．
They should try to ________ their usual inhibitions and join in the fun.
