1 . That is________stone walls are used instead of fences around New England. (用适当的词填空)

2 . He has three sons, one of ________ is an engineer. (用适当的词填空)

3 . Do you remember the day________which we first met? (用适当的词填空)

4 . Is this the museum________you once visited? (用适当的词填空)

5 . _________ dark the road ahead is, always keep your head up to the sky because that’s where your dreams lie. (用适当的词填空)

6 . Listening and speaking is ________ my weakness lies when it comes to English. (用适当的词填空)

7 . The skin is an essential part of your body, _________ functions are very complex. (用适当的词填空)

8 . 即使天气不好，我们也要去旅行。(even though) (汉译英)

9 . The audience burst into cheers __________ __________(一……就) the pop star appeared on the stage. (根据汉语提示完成句子)

10 . There are 60 students in our class, out of ________ only 20 are taking an optional course. (用适当的词填空)