—I rang you at about nine, but there was no reply.
—Oh, that was probably I was seeing the doctor.
| A．why | B．when | C．what | D．that |
Our factory has been developing rapidly these days． This year’s production is five times ______ it was ten years ago．
| A．what | B．that | C．which | D．as |
It was not until I was injured in a car accident ______ the real American society．
| A．that I found out | B．when I found out |
| C．did I find out | D．that did I find out |
―The weather is changeable here. Please take more clothes.
― _________.
| A．Well, it depends | B．Thanks, by no means |
| C．OK, just in case | D．Don’t worry |
The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her．
| A．paying | B．offering | C．spending | D．charging |
The international agreement, __________to help people kick off the habit of smoking, was signed two years ago.
| A．intended | B．intending |
| C．intends | D．to intend |