49.Jim never _____________(exercise). It’s bad for him.

48.I write to my pen pal ____________(one) a month.

47.Some students like ___________(surf) the Internet very much.

46.I don’t think junk food is good for our ____________.(healthy)

45.I’m ___________(紧张) out because I can’t find the way home

44.You ___________ (不应该) go to bed so late.

43.It’s very important to eat a ____________ (平衡) diet.

42.I have to drink milk every day, ____________(尽管) I don’t like it.

41.Do you have a healthy ___________(生活方式).