Lost for you B.Who’s that C. What’s that D.How do you do

Mr．Black is willing to do ______________ Mrs．Black tells him to do．

It’sreported in the local newspaper that the murderer was caught in a small town — ______

Do you know _______ he turned off the lights or not when he left the classroom?—Sorry. I don’t know.[ ]

Jack, you seem in high spirits.— _________ We won the match 4-0.