A.to take which English course
B.which English course you should take
C.that which English course to take
D.which English course should you take

A.which was her son kidnapped
B.which her son was kidnapped
C.that her son was kidnapped
D.that was her son kidnapped

A.to live
B.where you live
C.how you to live
D.where do you live

A.when will the concert begin
B.when the concert will begin
C.when would the concert begin
D.when the concert would begin

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

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

A.be late for work three times
B.late for work three times
C.had been late for work three times
D.that he had been late for work three times

A.even if she cannot swim
B.as if that she cannot swim
C.that she cannot swim
D.if that she cannot swim

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

A.\(\dfrac{{a\sqrt {35} }}{7}\)
B.\(\dfrac{{2a\sqrt {35} }}{7}\) 
C.\(\dfrac{{3a\sqrt {35} }}{7}\) 
D.\(\dfrac{{a\sqrt {35} }}{{14}}\)