Mary and Jane are both very quite, but ______them, their younger brother Tom is quite naughty.
32.How_________I help them to understand when they won’t listen to me?
31.In summer, food will go bad if_________in room temperature.
30.QQ,______you can chat with your friends, makes communication easy.
29.Someone________his car in front of my house and it is blocking my driveway.
28.The film is very humorous but_________can be enjoyed unless you understand English culture.