【单选题】It is easy to say letters are a (n) 【C1】______ way for family members to 【C2】______ in touch when the children 【C3】______ schools and jobs or 【C4】______ families of their own. But what if you think le...
【简答题】Fill in the blanks with the words given below. ( 答案只需要填单词前面的序号。 ) a. prominent b. determination c. receipt d. alert e. advisable f. appropriate g. accompany h. deliver i. utmost j. s...