Neverbefore_______sorapidlydevelopingasitistoday．
A、hasourcountrybeenA
此题考查倒装句。否定词位于句首，句子应该部分倒装。句意：我们国家从来没有像今天一样进步如此迅速。
Anxietycan________withchildren’sperformanceatschool.
It has been found that a strong ________ help overcome the effects of distraction.
_______, could you get me a Turkish conversation book?
Robots differ from automatic machines ________ after completion of one specific task，they can be reprogrammed by a computer to do another one.
Iunderstoodfromherthatyouundertookotherimportantwork______.
