The Canadian friends have given us a lot of books, few of _____ a bit difficult for us.
#71881
A
them are
B
that is
C
which are
D
which is
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He won’t wear a hat _____.
#68336
A
however cold it is
B
how cold it is
C
however it is cold
D
however cold is it
I really don’t know ________ I put my wallet after I paid the bill.
#67058
A
where was it
B
it was where that
C
where it was that
D
where was it that