A(1) The parents have devoted themselves to bringing up their children. Thus, it is time for the children, __________ __________ _____
_____, to show their devotion to their parents.
(2) If you put your heart into it, you are to succeed __________ _________ (最终).
(3) Whether or not she will pass the exam __________ ___________ (取决于) how hard she works.
(4) Sometimes, doing exercise violently ________ ________ ________ (对…有害) your health.
(5) Pollution __________ people __________ (阻止，防止) seeing objects in the sky that they could see quite easily in the past.
B 增加：在缺词处加一个漏词符合（∧）,并在此符合下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线,并在该词下面写出修改后的词。
(1) Teachers can help them learn to take risks in an atmosphere that they feel confident about doing so.
(2) Because there is no air or wind on the moon, the footprints may stay there for million of years.
(3) Some people think better to read the original, while others are against it.
(4) This produced a chain reaction, encouraged life to develop.
(5) As the result of this westward migration, Americans eventually occupied the whole continent.
C (1) ________ I can’t understand is why he has changed his mind.
(2) It is __________ (wide) acknowledged that people’s dresses have been greatly improved recently.
(3) A dragon egg is an egg ________ (lay) by a dragon, as a means of reproduction.
(4) He arranged his face into what he hoped was a _________ (puzzle) expression.
(5) The first real pop superstar is Elvis Presley. He was ______ (follow) in the 1960s and 70s by the rock super groups.