38. They __________ (感到疲倦) after working for such a long time, so they stopped ___________ (休息休息) .

37. The teacher told me ____________ (不要走开) and ______________________ (回到座位).

36. Sometimes people tell white lies in order ______________________ (不伤害别人的感情).

35. He ____________ (对…有兴趣) English and in fact he __________ (擅长于) it. He can use it freely.

34. I'm going to ____________(看点书) instead of ___________________(做作业).

33. He waited for his turn for a long time but he ______________ (淘汰出局) soon after he joined in the game.

32. Mother asked her son __________________(不要弄脏手).

31. On Sundays I often _______________ (去购物) with my mother.

30. The dog kept on __________ (朝着…叫) the stranger.

29. Thank you for inviting me to play tennis with you. But ________ you ____________(预定球场)?