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All his attempts to unlock the door were   , because he was using the wrong key.
#27426
A
in return
B
in vain
C
in doubt
D
in time
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I’m not ill. __________, I ’m very healthy.                       
#27001
A
However
B
On the contrary
C
Thus
D
Instead of
 We keep in touch ____ writing often.
#28387
A
with
B
of
C
on
D
by
Only ___________ this direction can you reach the railway station.
#26750
A
with
B
in
C
under
D
to
— How do you think of my composition?— Almost perfect ________ one spelling mistake.
#25430
A
but
B
except
C
except for
D
besides
When you are on the bus to work in the morning, smile to the people sitting beside you, you will get his smile ______.
#26128
A
in place
B
in need
C
in return
D
in relief