He must be helping the old man to water the flowers,______ ?      
#65512
A
is he
B
isn’t he
C
must he
D
mustn’t he
推荐题目
--____________?    --No, it isn’t.
#60268
A
Is your pen red
B
Are you Tom
C
Are you a boy
D
Am I a girl
It’s the third time that Li Ming has been to Xi’an , _______? 
#64474
A
isn’t he
B
hasn’t he
C
isn’t it
D
hasn’t it
He must have admired what you did yesterday, ___?
#65298
A
hasn't he
B
didn't he
C
must he
D
haven't he
— ______ is a ticket to Garden Expo?— It’s about 100 yuan. 
#59857
A
How much
B
How many
C
How long
D
How often