Ten years ago the population of our village was ______ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
This word can be used both as a noun ___ as a verb.
| A．as well | B．or | C．nor | D．and |
Mr. Chen, ____ his lady, has a good command of the English language.
| A．as well as | B．and | C．but | D．as well |
She is a nurse,___ a doctor as well.
| A．but | B．nor | C．or | D．and |
.I would be very glad to help, ___ I’m going away on business.
| A．and | B．or | C．for | D．only |
38.The task is hard, ___, the workers managed to finish it in time.
| A．therefore | B．otherwise | C．however | D．yet |