1 . Travelling to conferences, lectures, workshops, and the like frequently by plane ________(view) as important for scientists to get together and exchange information. （所给词的适当形式填空）

2 . Turkish officials are saying that the number of people who ________ by the earthquakes that took place in southeastern Turkey ________ at least 20 million.

A．had been affected; reaches	B．has affected; reach
C．was affected; reach	D．have been affected; reaches

3 . His suggestion has been _____by people in many parts of the world.

A．adopting

B．adopted

C．adapted

D．adapting

4 . Since May, more than one death from monkey pox infection ______ in this area, causing great concern of the local government.

A．has been reported

B．have reported

C．has reported

D．have been reported

5 . When he finally raised the money for the violin, he returned to buy it but learned that it ________ to a collector.

A．was sold

B．have been sold

C．had been sold

D．will have been sold

6 . The building ______ since you ______.

A．has constructed; have left	B．constructed; left
C．has been constructed; left	D．has been constructed; have left

7 . Built in 1554, during the Ming Dynasty’s defence against the Miao, the wall ________ (destroy) partly by the Miao ethnic group. (所给词的适当形式填空)

8 . I didn’t know a thing about the Clean Air Act that ______ in congress at that time.

A．was being debated	B．was debated
C．had been debated	D．debated

9 . In recent years, Australia’s Great Barrier Reef ______ by widespread coral bleaching repeatedly, where marine heat waves have turned large parts of the reef a ghostly white.

A．has been hitting

B．has hit

C．hit

D．has been hit

10 . Effective measures such as building a botanic garden and a fish breeding station ________(take) to protect the biodiversity in China’s southwestern Baihetan Dam area so far. (所给词的适当形式填空)