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
In Section Three, you are most likely ______ on your ability to find factual information.
#94983
A
to test
B
testing
C
to be tested
D
being tested
________about her son’s future, the mother has been sleeping very badly these months.
#90619
A
Concerning
B
Concerned
C
To concern
D
Having concerned
Eyes ________, I see the moon so bright; Head ________, in homesickness I am drowned.
#90794
A
raising; bending
B
raising; bent
C
raised; bending
D
raised; bent
These students are quick at learning. We’ll have them __________ with new methods.
#97520
A
training
B
to train
C
to be trained
D
trained