Parents are busy people. If they are working, they are usually not at home 48 when/ after their children return from school. Sometimes it is necessary for a parent to write 49 an after-school note for their children. They sometimes put the note on the kitchen table, the refrigerator, 50 or another place where their children are sure to find it. A note is often a 51 better way to "talk" with a child than using the telephone. For one thing, parents have time to think about 52what they want to say before they write. For53 another, the note lists all the information in one place. It is easy to read again and again People often forget all the details that they 54 hear in a telephone call. Finally, cell phones can be turned 55 off or telephone calls not answered. For these reasons, after-school notes are very popular with parents.

　　48. 答案：When/After

　　解析：該空引導(dǎo)時(shí)間狀語(yǔ)從句，句意為：“當(dāng)他們的孩子們放學(xué)回來(lái)的時(shí)候/以后，他們經(jīng)常不在家”

　　49答案：an

　　解析：根據(jù)空后的單數(shù)可數(shù)名詞note及after以元音音素開(kāi)頭可判斷填an

　　50. 答案：or

　　解析：該空填并列連詞or，并列三個(gè)名詞

　　51. 答案：better

　　解析：由句意，“便條是與孩子交流的更好方式”可判斷填better

　　52. 答案：what

　　解析：該空引導(dǎo)賓語(yǔ)從句在句中作say的賓語(yǔ)

　　53. 答案：For

　　解析：For another為固定搭配，意為“另一方面”

　　54. 答案：they

　　解析：該空在句中作主語(yǔ)且代指前面的people。故填they

　　55. 答案： off

　　解析：turn off意為“關(guān)掉”，即手機(jī)被關(guān)掉