根据括号中所给的汉语写出单词,使句子意思完整正确。His failure was because of his ____________(粗心)
The ancient tomb wasn’t __________(发现) by people until 1900.
Can you ________(想象) what life will be like in 100 years?
To my ________(惊奇),I got the first place in the English composition contest.
You can ask me for help ________(无论何时) you are in trouble.