问题

While building a tunnel through the mountain, ______ ．

A:an underground lake was discovered
B:there was an underground lake discovered
C:the workers discovered an underground lake
D:a lake was discovered underground

正确答案是：

同类题型

Tens years ago, there _____ full of fish in the lake .Now there are _____ fish .

Jack used to give most of his money to people in trouble. How do you like him?—Some thinks he might be kind of _______. But more people are grateful to him.

I often visit my parents, who live in the countryside whenever ____.

Jack took music than any boy in his class and held a concert successfully.

Look! She is coming here and there _________.

正确答案网

While building a tunnel through the mountain, ______ ．