—The spacecraft has never been to the moon, ________ ? —Certainly.
#64559
A
has it
B
hasn’t it
C
doesn’t it
D
isn’t it
推荐题目
--- Is this your ball, Nick?--- Yes,       .
#60135
A
this is
B
it’s
C
here is
D
it is
 ________ your mother ________ carrots? 
#59793
A
Do; eat
B
Is; eat
C
Are; eat
D
Does; eat
—Hello! Are you Mr Wang? — _______
#60187
A
Yes, I’m Mr Li.
B
Yes, I’m Mrs Wang.
C
No, I’m Mr Liu.
D
No , I am.
The Greens seldom go to the concert,________?
#65467
A
don’t they
B
do they
C
don’t he
D
do he