A.Whoever do this
B.Whoever had done this
C.Had this done by whoever
D.This had done by whoever

A.how do you work
B.how you work
C.you work
D.do you work

A.What you eat
B.What do you eat
C.What are you eating
D.What eating

A.what you said
B.by what you said
C.did you say what
D.what to say

A.in the papers do you read
B.you read what in the papers
C.what do you read in the papers
D.what you read in the paper

A.Peter will come
B.if Peter will come
C.that Peter will come
D.if will Peter come

A.Mary was sacked
B.Was Mary sacked
C.Why Mary was sacked
D.Why was Mary sacked

A.
B.
C.
D.

A.
B.
C.
D.

A.What did Billy
B.What Billy did
C.Billy did
D.Bill did what