Earth is believed ______ by an object the size of Mars at some point in the distant past before its surface cooled．
#96481
A
to be hit
B
to have hit
C
to have been hit
D
to hit
推荐题目
I've never seen a Shakespeare's play ______ so wonderfully.
#93320
A
performing
B
performed
C
perform
D
is performing
The professor paused as if ___________ his students to ask questions on the point he had just made.
#97387
A
expecting
B
is expecting
C
expected
D
to have expected
Ladies and Gentlemen, please remain until the plane has come to a complete stop.
#94780
A
seated
B
seating
C
to seat
D
seat
A teenager is someone who can hear a song by Lady Gaga _______ three blocks away but not his mother ________ from the next door.
#91799
A
playing; calling
B
playing; called
C
played; called
D
played; calling
"Can’t you read?" Mary said ______ to the notice.
#97961
A
angrily pointing
B
and point angrily
C
angrily pointed
D
and angrily pointing