----_____is it that is troubling Mary ?----Working out the maths problem..
#70665
A
What 
B
How
C
Why  
D
Which
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   difficulties we’ll meet,we must finish the work in time.
#71617
A
However
B
Whatever
C
Whichever
D
Wherever
_______ she is, she has not much inside.
#67704
A
Intelligent girl as
B
An intelligent girl as
C
Intelligent a girl as
D
Girl intelligent as
He likes to use words _________ is clear to her.
#73406
A
of which the meaning
B
of which meaning
C
of whose meaning
D
meaning of which