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
推荐题目
_______ a chance, we are bound to visit the 2010 Shanghai EXPO.
#97138
A
To be given
B
Given
C
Giving
D
Having given
— What do you think of the film Inception (盗梦空间)? — Just so-so. I don’t think it worth ______ a second time.
#96592
A
watching
B
watched
C
to watch
D
being watched
When one makes new friends, don’t forget ______ old ones.
#95739
A
to come up with
B
losing sight of
C
to keep track of
D
keeping in touch with
____ to cholera, the people became _______.
#90474
A
Exposed; terrified
B
Exposing; terrified
C
To expose, terrifying
D
Exposed; terrifying
With nine months _______,we feel sad that our school life will be ending for we’ll have to say good-bye.
#96569
A
going
B
gone
C
goes
D
to go