In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.
#98488
A
it marked
B
marking
C
marked
D
to mark
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out after a long walk ,Tom called and said he couldn’t come to the party.
#91574
A
Having worn
B
Being worn
C
To wear
D
Worn
—How do you deal with the disagreement between the company and the customers?—The key________ the problem is to meet the demand____ ____by the customers?
#88466
A
to solving；making
B
to solving；made
C
to solve；making
D
to solve；made
The teacher apologized late.
#96239
A
to his students to arrive
B
to his students for arriving
C
at his students to arrive
D
at his students for arriving
That is the only way we can imagine _______ the overuse of water in students’ bathrooms.
#95657
A
reducing
B
to reduce
C
reduced
D
reduce
Seeing the road _________ with snow and cyclists falling down here and there, we decided to walk to our office.
#91016
A
to block
B
blocking
C
blocked
D
to be blocked