[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．It was the president’s second public (appear) to date.
2．He made efforts to move the (heavily) furniture.
3．This (cloth) sells well to the teenage market.
4．For a time it seemed (doubt) that he would move at all.
5．Walking through the deep snow in my high (boot)，I finally reached the farmhouse.
6．Sports can build our bodies.
7．I’m afraid I’ll have to ring .Someone is calling me.
8． average we receive five letters each day.
9．It is time now for us to get down to business and be serious this.
10．Don’t build going abroad this summer because we may not have enough money.
