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
推荐题目
Whom do you expect to have ________ the baggage to the airport?
#88825
A
deliver
B
to deliver
C
delivered
D
delivering
The pop star walked out of the stage, ______ her hands elegantly to her crazy fans.
#97313
A
waving
B
was waving
C
waved
D
to wave
–Should I keep what we talked about just now secret from Sofia? --She is our close friend, and deserves ____ the truth.
#96954
A
knowing
B
know
C
to know
D
to be known
It was _____ computer games that cost the boy a lot of time that he ought to have spent on his lessons.
#98837
A
to have played
B
playing
C
played
D
having played