. When the moon had risen, we _______ on the grass, listening to the light wind ________ in the trees.
The pilot asked all the passengers on board to remain ________ as the plane was making a landing. A seat B seating C seated D to be seating
When a fire _________ at the National Exhibition in London, at least ten priceless paintings were completely destroyed.
_________ get a complete picture, ________ information is needed.
----What does the model plane look like? ----Well, the wings of the plane are _________ of its body.
Everyone knows that ______ paper was invented by _______ Chinese.