I am afraid that Mrs. Black doesn’t believe her son is able to design such a complicated machine,       ?
#64630
A
does she
B
aren’t I
C
is he
D
isn’t he
推荐题目
It is the first time that Martin has been to the South Pole, ________?
#64905
A
isn’t he
B
hasn’t he
C
isn’t it
D
hasn’t it
 The police were seeking more information to find out ____ the rich merchant. 
#64763
A
who was it that killed
B
who it was that killed
C
it was who killed
D
who was it killed
________ under the tree? No,they aren’t.
#60267
A
Where are
B
What is
C
Are the balls
D
Is the ball
一______was your day off? 一Great!
#59968
A
Where
B
How
C
What
D
Why