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。
I understood from her that you undertook other important work ______.
Fish is ________ and expensive at this time of the year in this area.
This is the most beautiful village _______ I visited these years.
Neverbefore_______sorapidlydevelopingasitistoday．
The professor worked for 7 hours at a ________.
