--___________has he been like this?--Ever since last week.
#58079
A
How long
B
How soon
C
How often
D
How much
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You don’t know how difficult the job is, you have done it yourself.
#55556
A
unless
B
since
C
if
D
because
our manager objects to Tom’s joining the club, we shall accept him as a member
#58091
A
Until
B
Unless
C
If
D
After
He has to earn lots of money he can buy his children nice food and clothes．
#57338
A
so that
B
such that
C
that
D
in order