—At the age of 3, Mozart could play the piano by _________. —He was a born musician. A. he B. his C. himself
.—How many new words are there in _______lesson? —There are only _______.
My neighbor asked me _______ I heard the big noise last night.
_______ he did well, he was never top of his class.
—Do you know _______ the girl in red is? —I’m not sure. Maybe a doctor.
All of us went to the park _______ Bob. He had to look after his sister at home.