vernment has taken some measures to solve theshortage of electricity, but it may be some time ____________ the situationimproves.

Is Alice your sister—Yes, .

Jim and Tom are brothers. They have some__________.

26．Was it at the school gate，if I may ask, _______you met your friends from your hometown?

Tough __________ the task was, we _______ finish it ahead of time and therefore we were highly praised for it.