It's dangerous to let the children who are _____ go swimming in the river. 
#94757
A
too young to
B
so young
C
not old enough to
D
so old
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He ____ in the north, but now he ____ here.
#94091
A
used to live; is used to the life
B
use to live; is used to live
C
used to living; is used to living
D
used to live; is used to live
You’d better go there by train. The train ticket is __________the airplane ticket.
#93333
A
as cheap three times as
B
as three times cheap as
C
three times cheaper than
D
cheaper three times than
 ____ we move the picture over there? Do you think it’ll look better?
#93050
A
What about
B
How far
C
What if
D
How come