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
In the job interviews applicants often find themselves ______ unexpected questions, some very difficult to answer.
#93501
A
asked
B
asking
C
to be asked
D
to ask
The lady spoke slowly, trying to make herself ______.
#95113
A
understand
B
understanding
C
understood
D
to be understood
________ to our study is the best way ________ high grades.
#90501
A
Devote ourselves; to achieve
B
Devoting us; of achieving
C
Devoting ourselves; to achieve
D
Devoted ourselves; of achieving
The secretary worked late into the night,_______ a long, speech for the president.
#90043
A
to prepare
B
was preparing
C
prepared
D
preparing
_______ in a poor family made Yuan Longping determined to solve the hunger problem in China when he was still young.
#94491
A
Bringing up
B
Being brought up
C
Having brought up
D
Brought up