Ⅰ.单词拼写
1．His ambition(抱负) was to get to the top.
2．The detective(侦探) followed the footprints to find the killer.
3．He has no clue about how to solve this complex(复杂的) case.
4．This is the busiest commercial (商业的)street in the city.
5．Only a finite number of situations can arise(发生)．
6．I know I can trust her in any circumstance(情况)．
7．We listened to the news with a mixture(混合)of surprise and horror.
8．There is an urgent need for qualified(合格的)teachers.
9．He speaks English with perfect fluency(流利)．
10．You have to shift(转换) gears as you drive around the corner.
