Zheng says that the most dangerous thing about a credit card is____ a person isn’t always aware of the fact____ he’s spending money. 
#68745
A
that; that
B
what; that
C
that; what
D
what; which
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Come and see me whenever ____ .
#68238
A
you are convenient
B
you will be convenient
C
it will be convenient for you
D
it is convenient to you
 It was the training _____ he had as a young man _____ made him such a good engineer.
#67032
A
what ; that
B
that ; what
C
that ; which
D
which : that