根据句子意思，用括号中所给单词的适当形式填空，并将爱那个答案填写在答题卡号为46-50的相应位置上。
小题1:The twin brothers always keep           (argue) about what TV programmes to watch.
小题2:It’s easy for local people           (choose) various goods in Sunnyside Shopping Mall.
小题3:Students in some junior schools can           (learn) to play tennis or baseball in PE lessons.
小题4:The Bruce family had to give up camping in the Purple Mountain on such a        (fog) day.
小题5:Many students are           (happy) with too much homework.  They need more time for their hobbies.