--- Would you like me to do some shopping for you? --- That’s very kind of you for your ____.
31. To keep safe _______ an earthquake, you should remain at a spot in your room where nothing may fall on you.
30. —Now the weight. Only 115. You’d better put on a few pounds. —Well, actually, I ________ like a horse.
29. I can hardly remember any occasions _______ I get caught in a traffic jam in our town.
28. —Where have you been all day? —I _______ some former classmates and I couldn’t get back until it was dark.
27. The process of producing electricity may also give out CO2, _______ you heat your house with electricity instead of charcoal.