54 ._____ is it ___ has made Peter ____ he is today ?

54 ._____ is it ___ has made Peter ____ he is today ?
A .What; that; that B .That; that; what
C .What; what; that D .What; that; what
please explain

what fine _____ it is today! 54 ._____ is it ___ has made Peter ____ he is today ? it is usual the custom _____ the chinese When is it the good time _____ (have) the meeting ? what time is it now _____ your watch? _____,it is quite easy to drill a hole in it with a laser. It is no use _____ about it, because he will never change his mind. It is said that in Australia there is more land than the government knows _____. The museum is such a fascinating place that it is _____. There is _____ milk in the glass.It is ______ sour.