60．Yancheng Science and Technology Museum，opened in May，is a wonderful place for children．It is well w_________ visiting．

59．--It's a good h_________ to keep a diary every day．

--That's right．I believe it can help us improve our writing．

58．Yuan Longping is called “Father” of Hybrid rice，and his achievements go _________(超过)China．

57．I fully _________(赞同)with you that it is not too late to act now．

56．We can _________(容易地)forgive a child who is afraid of the dark，but we can’t forgive an adult who is afraid of the light．

55．Of the two coats，I'll choose the _________(便宜)one to save some money for a book．

54．There are several ways to solve this problem．Let's have a _________(讨论)now．

53．_________(幸好)，I caught the early bus and got to the railway station Just in time．

52．--Who are you _________(等待)for?

--Andy．He is expected to come here at 3 o'clock．But he hasn't come yet．

A．根据句意、汉语或首字母提示写出单词。

51．What a sunny day! There isn't a cloud in the _________(天空)．