𝐂𝐡𝐨𝐨𝐬𝐞 𝐭𝐡𝐞 𝐫𝐢𝐠𝐡𝐭 𝐨𝐩𝐭𝐢𝐨𝐧.
He _______ a book about the high cost of living.
is writing
am writing
write
are writing