In our class, when the bell rang and the teacher closed his book, it was a ______ for everyone to stand up.
| A．signal | B．chance | C．mark | D．measure |
The driver drove __ hit a big tree and the car came to a stop.
| A．too carelessly to | B．carelessly enough to |
| C．so carelessly that he | D．so careless that he |
The man went into the room, _____ rather strange.
| A．to look | B．looking | C．looked | D．and looking |
But she had to ___ the company and ____a man in order to get a job.
| A．lie to; pretended to be | B．lie; pretended to be |
| C．lie to; pretended being | D．lie; pretended as |
I _____ her voice at once on the phone, though we hadn’t seen each other for ten years.
| A．heard | B．knew | C．realized | D．recognized |
We have been _____ by all our friends since we settled in the new house.
| A．called on | B．called at | C．called into | D．called for |