He must be helping the old man to water the flowers，________？
#64494
A
is he
B
isn't he
C
must be
D
mustn't he
推荐题目
—_______ is your home to the bus station, Tom?—It’s about one kilometer away
#59902
A
How long
B
How far
C
How many
D
How often
They must have finished the work by the end of last month, ______?
#64447
A
hadn’t they
B
mustn’t they
C
haven’t they
D
didn’t they
---______ your school ______ a School Day ? ---Yes , it is in May .
#60292
A
Does ; has
B
Do ; have
C
Does ; have
D
Is ; has
—________ hours of sports do you do every week?—Six hours.
#60274
A
How long
B
How soon
C
How much
D
How many
Tom hardly had time for concerts at that time, ________？
#64782
A
wasn't he
B
was he
C
did he
D
didn't he