— A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th. —I was amazed(震惊) to hear that.
—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.