单词拼写 (1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of ……单词拼写(1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of after-school a____.

单词拼写 (1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of ……单词拼写(1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of after-school a____.
单词拼写 (1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of ……
单词拼写
(1)Don't worry.There i snothing s______.
(2)Amercian children do many kinds of after-school a____.

单词拼写 (1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of ……单词拼写(1)Don't worry.There i snothing s______.(2)Amercian children do many kinds of after-school a____.
serious
activities

1. serious 严重的，there is nothing serious 没什么大不了的
2. activities 活动，activity的复数形式，因为前面说了many kinds of
美国儿童做许多课后活动。
希望有帮助。

serious
activities