Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |
The little girl looks________when she smiles.
| A．much pretty | B．more prettier |
| C．more pretty | D．much prettier |
—Did you see the film star?
—________，I couldn't make it. I was delayed by the traffic.
| A．In fact | B．Luckily |
| C．Naturally | D．Unfortunately |
When I met him the other day，it was the first time we________each other since we were at school.
| A．saw | B．have seen | C．had seen | D．were seeing |
They have lived in this village________several years ago.
| A．for | B．at | C．since | D．/ |
That was really a splendid evening. It's years________I enjoyed myself so much.
| A．when | B．that | C．before | D．since |