This magnificent waterfall stands as an oasis in the heart of the Grand Canyon. What does the underlined part mean?
A. in the front of
B. in the midst of
C. in the centre of
D. in the light of
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This work must be done within the time.
A. give
B. giving
C. gave
D. given
Along the roads, there are beautiful flowers that delight travelers'.
A. eye
B. eyes
C. sight
D. seeing
Living creatures are living in harmony the surroundings.
A. within
B. with
C. to
D. of
The mornings in the forest throb with the dawn chorus of scores of bird voices. Which of the following expessions has the same meaning with the underlined part?
A. are covered with
B. vibrate with
C. deal with
D. are connected with