The air company going from bad to worse, the workers____________ hardly enough to make a living.
| A．are paid | B．are paying | C．have paid | D．paid |
John received an invitation to dinner, and with his work , he gladly accepted it.
| A．finished |
| B．finishing |
| C．having finished |
| D．was finished |
several time, the young scientist still kept on making his experiments.
| A．Having been failed |
| B．Having failed |
| C．Though failed |
| D．Because of failure |
--- Lucy doesn’t seem to be what she was.
--- No.so much in the war has made her more thoughtful.
| A．Seen |
| B．Her seeing |
| C．Having seen |
| D．To have seen |
--- What do you suppose made her worried?
--- a gold ring.
| A．Lose |
| B．Lost |
| C．Losing |
| D．Because of losing |
--- The English exam is not difficult, is it?
--- . Even Tom to the top students failed in it.
| A．Yes; belongs |
| B．No; belonged |
| C．Yes; belonging |
| D．No; belonging |