She had two sons,___became teachers.A.all of themB.all of whomC.both of themD.both of whomThe weather turned out to be very good,___was more than we expected.A.whatB.whichC.thatD.it

She had two sons,___became teachers.
A.all of them
B.all of whom
C.both of them
D.both of whom
The weather turned out to be very good,___was more than we expected.
A.what
B.which
C.that
D.it