scores of times, but Derek still couldn’t understand how to use past participle in a concrete situat——青夏教育精英家教网—

________scores of times, but Derek still couldn’t understand how to use past participle in a concrete situation.

A．Having explained	B．Having been explained
C．Though it was explained	D．It was explained

____ ，but he still could not understand it.

A．Told many times	B．Having been told many times
C．He had been told many times	D．Though he had been told many times

The surface of the table ______ smooth enough．

I should have bought the beautiful vase, but I ____________enough money.

---__________ will this goal be achieved?
--- After 2011.

The magazine is ______reading, so he advised me ____it.
A well worth; buying B very worth; to buy
C worthying , buying D worthy, to buy

English is not easy _____.

This dictionary is _____ to me, but that one is _____ .

A．great help; helpful	B．a great help; of little use
C．important; of few importance	D．very helpful; of no any use

________eastward,________ you’ll pass mountains and thousands of lakes and forests.

I would advise you there by bus, because it’s too crowded.

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