.—Is there anyone who is gong the Great Wall?_______
Only then _________that he hurt her feeling.A did he realize B had he realized C. he realized D. he had realized
___________, I have to put it away and focus my attention on my homework.
The post--80s and 90s are ________, so it’s hardly surprising that boys have a close relationship with their parents.
Generally speaking, ______ according to the directions,the drug has no side effect.
--The telephone is ringing.--I _____ answer it.