There are two cars in front of the house.--One is mine, ________ is the mother's,

—— Why did he let you repeat his instruction time and time again? —— ＿＿＿＿＿＿that I remember what was＿＿＿＿＿after he went out. 

—Shall I help you, sir? —I appreciate ____ if you do me the favor to pack the luggage.

I can’t stand _______ when people litter around in public places.

 In the next 30 years, we could see more heat waves like_____ now occurring in the US or the kind that swept across Europe in 2003 that caused tens of thousands of deaths.