back 阻礙，阻止
hold down 控制，鎮壓
hold on 別掛（電話）， 支持下去
hold out 維持，堅持
(87) Hearing the news, she couldnt ______ her tears coming down her cheeks.
(88) _____, please. I heard a pleasant voice on the phone.
(89) These measures helped to _____ the citys population.
(90) The water wont _____ much longer.
13. keep off 防止，擋住
keep on 繼續幹
keep up with 趕上，不落在後面
keep (sth./sb.)out 不使進入
keep in touch with和保持聯繫
keep ones word 守信，遵守諾言
(91) You should study hard if you want to ________ others.
(92) We had to think of a way to _______ the rain.
(93) It was raining, but they ______till the work was finished.
(94) The Chinese people always_________
(95) The rain _____for several days.
(96) We have ____ each other after graduation.
(97) Dont ______ me _____ in the cold. Let me in
about 瞭解，知道的'情況
know from 區分
know of 聽說過，知道（有）
be known as 被稱爲，是有名的
be known for 因而出名
be known to all 衆所周知
(98) It happened that I _______ him.
