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While building a tunnel through the mountains, ______.

The first one ______ will get a beautiful gift.

______ where to go, he asked a passer-by for help.

Three students ______ Wenzhou Middle School took part in the Oral English Competition.

The plan to be carried out next month needs ______ among the members of the labor union before ______.

During an interview, journalists always prepare the next question _____ on the interviewee says.

When        if he hadany idea what the novel was about, Jack kept silent. He       have read it very carefully.

Greatly moved by what she said, __________.

        with the size of the whole earth , the biggest ocean does not seem big at all .