23.—You——have had a good time at the party last night,didn’t you! —-N0t really, Actually,it was a bit boring.
____ in reading the novel , he knew nothing about what was going on about him.
By this autumn they _____for ten years .
The child was ____to go fishing alone because it was dangerous .
You ______ be hungry already — you had lunch only two hours ago!
The old tower must be saved, _______ the cost.