Don’t look down upon the ugly little worm. In a few weeks , it ________into a beautiful big butterfly.

----Don’t look down upon Bob. He has his own advantages.

?? ----Oh, yes. ______ others are weak, he is strong.

A. If????? ????????????? ????????????? B. Where??? ????????????? ?? C. When? ????????????? ????? D. Though

----Don’t look down upon Bob. He has his own advantage.

--- Oh, yes. _______ others are weak, he is strong.

A. If ????????????? ????????????? B. When ????????????? ????????????? C. Where ????????????? ????????????? D. Though

--- Don’t look down upon Bob. He has his own advantages.

    --- Oh, yes. ____ others are weak , he is strong.

A. When           B. Where           C. While        D. If

Don’t look down upon the ugly little worm. In a few weeks , it ________into a beautiful big butterfly.

A．transforms        B．would transform    C．have transformed   D．will transform.