Earth is believed ______ by an object the size of Mars at some point in the distant past before itssurface cooled.
#88257
A
to be hit
B
to have hit
C
to have been hit
D
to hit
推荐题目
The relics______ the 12th century is of great value to study the life and settlement of the local people.
#91032
A
that dated from
B
dated back to
C
which is dated from
D
dating back to
______ for a few days, the thirsty and hunger soldiers had to give in at last.
#97667
A
Being surrounded
B
Surrounding
C
Having been surrounded
D
Having surrounded
--- What do you suppose made her worried?--- _________ a new cell phone.
#90368
A
Lose
B
Lost
C
Losing
D
Because of losing
