Scientists found many stones ________ with numbers on the mountains.
#103097
A
marking
B
marked
C
being marked
D
have been marked
推荐题目
Wherever I ____these days. I always carry my umbrella.
#104189
A
am going
B
shall go
C
go
D
should go
He said he ____ an American before.
#104150
A
has never met
B
had never met
C
would never meet
D
was never met
 If I ____ more about diamond, I ____ cheated by that man.
#102987
A
had known, would not be
B
had known; wouldn’t have been
C
knew; would not have been
D
had known; would never be