【推荐1】—A boy was killed by the tiger in the zoo.
—He was believed ____ into the cage while feeding the tiger without permission.

A．to fall

B．to be falling

C．to have fallen

D．having fallen

【推荐2】Our English teacher as well as we students _____ not _____ Chinese in the English Corner.

A．are; allowed to speak	B．is; allowed speaking
C．is; allowed to speak	D．are; allowed speaking

【推荐3】AIDS is said______ the biggest challenge to both men and women in the area over the past few years.

A．that it is	B．to be
C．that is has been	D．to have been

【推荐1】Much as I would love ______ to the party yesterday, I didn’t because I had to prepare for the interview.

A．to go	B．going
C．to have gone	D．having gone

【推荐2】William Shakespeare is generally believed ______ all plays himself.

A．to write

B．to have written

C．writing

D．writing

【推荐3】The Chinese scientists claimed _______ a cure for the disease．

A．having discovered	B．discovering
C．to have discovered	D．that they discover

【推荐1】—Do you think it ______ to argue with them?
—The question is not worthy ______.

A．worthwhile; discussing	B．worthwhile; to be discussed
C．worthy; to discuss	D．worth; to be discussed

【推荐2】________ brought them to the public’s attention was that they were condemned ________ in some illegal business practices to obtain their current position in the market.

A．Which; to be involved	B．That; to involve
C．What; to be involved	D．That; to be involved

【推荐3】We arrived, only___________ the meeting had been put off.

A．telling

B．to tell

C．to be told

D．told