You____thatlettertoJames.However，youdidn't.
A、oughttowriteB
「句意」 你本应该给詹姆斯写信，然而，你没写。
「难点」 ought to have written 是虚拟语气，与本句句意相符。
The teachers’union _________ a lawsuit against the district calling for repairing “deplorable” school conditions.
_____ regular training in nursing, she could hardly cope with the work at first.
Prices have recently risen in order to __________ the increased cost of raw materials.
Frankalmostneverreceivedanyeducation,____?
Arriving at the bus stop, _____ waiting there.
