He hasn’t decided _______ to go by bus or by train. 
#43063
A
if
B
whether
C
how
D
that
推荐题目
 Which of the following underlined parts is different in pronunciation from others?
#35610
A
Don’t pick flowers in the park.
B
He is waiting downstairs for you.
C
Do you know how to solve the problem?
D
What do you want to be when you grow up?