He hasn’t decided _______ to go by bus or by train. 
#43063
A
if
B
whether
C
how
D
that
推荐题目
---_________ does he take this medicine?---Twice a day.
#43604
A
How long
B
How often
C
How soon
D
How much
-Could you please     when you go out? It smells terrible in the room. -Sure. But where should I put it?
#43818
A
take out the trash
B
sweep the floor
C
turn off the light
D
fold the clothes
Who can teach _________English well.  This prize belongs to __________.
#41424
A
our…his
B
our…him
C
us.. him
D
ours…his
—Where are the koalas are from? — ____________.
#39153
A
China
B
Australia
C
Japan
D
South Africa