短 が: す
27. Tom could ( )himself understood 下 he spoke louder and more slowIy.
① keep ② know ⑧ make ④ take
_ 28. Your failure is nothing to get( 上
① exciting at ② excited about ③ exciting ④ excited
29. Our French teacher( )here by now, because he took the early bus.
① ought to have arrived ② must arrive
③ can arrive ④ may arrive
_30. This js( )attractive of all the personal computers 1 have seen.
① most ② the least ③ the worst ④ the best