用所给词的适当形式填空Jim thenks it is difficult (learn)English well.Bu
用所给词的适当形式填空
Jim thenks it is difficult (learn)English well.But I don't think so.
It's four thirty.It's time for us(do)after-school activities.
Thank you for(organize)the class trip for us.
It is fun(walk)in the park after dinner.