America will never again have as a nation the spirit of adventure as it ______ before the West was settled.
| A．has | B．did | C．was | D．would |
As we can no longer wait for the delivery of our order,we have to it.
| A．delay |
| B．refuse |
| C．cancel |
| D．postpone |
It’s necessary to be prepared for a job interview.the answers ready will be of great help.
| A．To have had |
| B．Having had |
| C．Have |
| D．Having |
It will be a long time Mr Black back from abroad.
| A．before;comes |
| B．since;has come |
| C．before;will come |
| D．after;will come |
Many a time I saw him to the shop and his watch .
| A．go;have;repaired |
| B．going;having;repairing |
| C．to go;to have;repaired |
| D．went;had;to repair |
A teacher must see to it that every one of his students develops .
| A．extremely |
| B．fairly |
| C．hurriedly |
| D．properly |