The _______ boy made the police and his family _______.
| A．gone; puzzled | B．missing; puzzled |
| C．missing; puzzling | D．lost; puzzling |
It was very kind of her. She insisted _______ her car to us.
| A．to lend | B．lending | C．on lending | D．in lending |
We offered him our congratulations his passing the college entrance exams．
| A．at | B．0n | C．for | D．of |
We didn’t live together. We kept in touch _______ writing often.
| A．with | B．of | C．on | D．by |
“How long have you been here?” “_______ the end of last month.”
| A．In | B．By | C．At | D．Since |
_______ one old lady, the bus was empty.
| A．Except | B．Except for | C．But | D．Besides |