14.7 Bài Tập 87

I've (1)________________ (discovered) what the problem is with the exam.

When they printed the papers, they (2)________________ (omitted) a page.

No one noticed until the papers had all been (3)________________ (distributed).

Now they'll have to (4)________________ (discard) all the papers...

...and (5)________________ (postpone) the exam.

Are you sure you haven't (6)________________ (invent) this whole story?

It means we'll have to (7)________________ (continue) revising.