Aluminum isn’t found free in nature, owing to its always ____ with other elements, most commonly with oxygen.
#93060
A
being combined
B
having combined
C
combine
D
combined
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The airport is far from here, and ________ there on time, you'd better take a taxi.
#88826
A
get
B
to get
C
getting
D
got
The witnesses________by the police just now gave very different descriptions of the fight.
#89490
A
questioned
B
being questioned
C
to be questioned
D
having questioned
Although the huge engine, as tall as 25 meters, is heavy_______, it is powerful and works well.
#95831
A
carried
B
to be carried
C
to carry
D
being exposed
______ a chance to learn from the teachers from foreign countries is really an honor for me.
#89617
A
Given
B
Being given
C
Have been given
D
Giving