下列各句中，与其他几项在句式上不同的一项是（2分）

27.That was such an____question that it made me____,not knowing how to answer.

vernment has taken some measures tosolve the shortage of electricity , but it may be some time _________thesituation improves

The picture is ______ at least twenty pounds.

I hear Jane has gone to the Holy Island for her holiday—Oh, how nice! Do you know when she ________?