---Hurry, John!
---Oh, damn! Both my legs are nearly to give out. I ____for hours.
| A．had walked | B．walked | C．have been walking | D．am walking |
— The American Spider Man 2 is on these days. It’s fantastic.
—Really? But I ________ it yet.
| A．didn’t see | B．won’t see |
| C．haven’t seen | D．am not seeing |
The book into thirty languages since it came on the market in 1973.
| A．was translated | B．has translated |
| C．has been translated | D．translated |
Although the causes of cancer_____, we do not yet have any practical way to prevent it.
| A．are being uncovered | B．have been uncovering |
| C．are uncovering | D．have uncovered |
When the sun _____ in the east, the little hero tried hard ______ the red flag to the top of the pole.
| A．rising… to rise | B．rose… to raise | C．raise… to rise | D．rising… raising |
The upset mother thought to herself, “If only I ______ what’s going on in my little boy’s head right now.”
| A．know | B．knew | C．have known | D．had known |
No one ______ this building without the permission of the police .
A is leaving B is to leave C has left D will be leaving
By the time he retires, professor Baker _____ for almost forty years．
| A．will have taught | B．had taught | C．has taught | D．is teaching |
Police are now searching for a woman who is reported to since the flood hit the area last Friday.
| A．have been missing | B．have got lost |
| C．be missing | D．get lost |
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
| A．is leaving; takes off |
| B．will leave; is taking off |
| C．is to leave; is going to take off |
| D．leaves; will take off |
At the age of 14, Father had to leave school and start working. There would be no one to support the family _______ he not worked.
| A．did | B．has | C．had | D．was |
— Have you read the novel?
— Yes. I ________ it three times while I was in university.
| A．had read | B．read |
| C．have read | D．was reading |
Mr. Baker including some tourists ______ the Great Wall before, so they headed for the Forbidden City.
| A．has gone to | B．have gone to |
| C．has been to | D．have been to |
I haven't finished my composition. I ________ for two hours and a half.
| A．have written it | B．have been writing it |
| C．wrote it | D．am writing it |
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