He collected information on 1,000 people, whose IQ       when they were ten years old.
#102201
A
is tested
B
has tested
C
would test
D
had been tested
推荐题目
--- Have you moved into the new office building?---Not yet .It ______
#100897
A
is decorating
B
has been decorated
C
is being decorated
D
has been decorating
.The Maori ________ in New Zealand for about 1,000 years, but their present lifestyle and culture differ little from _________ of their ancestors.
#103804
A
have lived; that
B
had been living; ones
C
have been living; those
D
have been living; the one
--- I’m sure Andrew will win the first prize in the final.  --- I think so.  He _____ for it for months. 
#103307
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
 —Do you like traveling? —Sure. I _____ to Australia six months ago, but I _____ anywhere since then.
#102982
A
went; didn’t go
B
have gone; haven’t been
C
went; haven’t been
D
went; hadn’t been