This formed the center of what came to be known, and still ________ known, as AfricaTown．

was

will be

is

had been

Koalas, Australian animals, eat so many of these leaves that they ________ a special smell from their oil, making you think of cough pills．

take on

take off

take up

take in

－It's a simple question, isn't it?

－Yeah, but the answer is ________ easy．

more than

close to

kind of

far from

There stands an old tree with a history of over 500 years, ________ many branches have broken off．

that

when

of which

which

No such documents ________ be taken out of the office without the manager's written signature．

will

must

may

shall

Since we decide by design or accident to bring children into the world, ________ comes the duty to care for them．

with that

with which

where

which

The disaster got so much ________, including a reality show on Discovery Network's Planet Green, that cash, volunteers, and materials poured in．

observation

information

atmosphere

attention

No matter ________ it will be windy or rainy at that hour, we've decided to leave at five o clock tomorrow morning．

what

whether

when

how

After chatting on QQ a long time, Mary looked up ________ that it was 11 p．m．long past her bedtime．

seeing

saw

to see

seen

World food prices, nowadays increasing, ________ by the extreme weather and the cost required to grow, harvest and store it．

attacked

are attacked

attack

were attacked