21. Though the enemy troops were better equipped, the infantry still sustained its position.
22. Jim is in the construction trade. He’s a carpenter.
23. We have to limit our teenagers to five calls, otherwise, they’d be on the phone all night.
24. Does the state of Texas carry on much trade with her neighbor Mexico?
25. I walked ten miles. I’ve finally reached the limit of my strength.
我走了10英哩。我的體力終於達到了極限。
26. Good friends will stand by one another no matter what happens.
不管發生什麼事,真正的朋友會互相幫助彼此。
27. It’s easy to tell Carol’s favorite color. She buys everything purple.
28. Do you have anything waterproof that we can keep the matches in?
29. I know it a hole in it, but I want to hang on to this shirt. It’s my old favorite.
30. This machine will not start automatically. I guess the only way we have to activate it is manually.
31. It’s just not practical to try to put it together without the instruction booklet. We’ll probably break it.
32. I can’t answer this letter, because I can’t figure out what it pertains to. Why was it addressed to me?
33. It’s hard for a divorced person to bring up the children alone.
34. When you push the red button, the camera instantly takes a picture.
35. Chopping down the rain forest causes the thin soil to wash away.
36. The power is turned off, so we can’t activate the engines.
37. If the power goes off, start the emergency generator.
38. Do you know how much this jar can hold?
你知道這個罐子的容量多大嗎?
39. The federal judges are a part of judicial branch.
40. The helicopter hovered over the forest, looking for the lost child.
為了尋找迷路的孩童,直升機盤旋在森林上空。
41. If you want to move backwards put the gear in reverse.
42. I turned the fan on but the blade isn’t rotating. Are you sure it works?
43. The military uses many armored vehicles in battles.
44. Tom ran out of the house when he heard the loud explosion.
45. The nurse put a protective device or shield over the patient’s chest before she took the x-rays.
46. I could still hear outside noises despite the fact that this room is supposed to be soundproof.
47. Is a quarter equivalent to two dimes and a nickel?