[跟踪训练]
在空格处填入适当的词(1个单词)或所给词的正确形式
1．Nowadays we rely (increase) on computers to help us.
2． (variety) parts of his body were clearly visible.
3．We must (strength) our unity in the face of powerful enemies.
4．He (narrow) fails to win in the first round.
5．The students in our school (rise) at six o’clock every day.
6．The car went of control and ran into the side of a bus.
7．We slow when we see people crossing the street.
8．Nothing in the world can take place of persistence.
9．We’ve replaced the old adding machine a computer.
10．He has grown a young man of twentytwo.
