Some experts have said that ________ children believe they can succeed, they will never become totally confident of themselves.
#30261
A
if
B
since
C
once
D
unless
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Just use this room for the time being, and we'll offer you a larger one ________ it becomes available.
#30250
A
as soon as
B
unless
C
as far as
D
until
－Are you sure you have to? It’s been so late. Make it another time?－I don’t know ________ I can do it if not now.
#31948
A
how
B
what
C
when
D
that
In case of fire, stay low to the ground in a smoky room, ________ smoke always rises towards the ceiling.
#30873
A
as
B
when
C
while
D
once
My parents don’t mind what job I do _____ I am happy.
#80576
A
even though
B
as soon as
C
as long as
D
as though