The person in ________ charge of the program was at ________ complete loss when the incident happened.
| A．不填；不填 | B． |
| C．the; 不填 | D．the; a |
I will carry out the plan _____ there is much difficulty ahead.
| A．as if | B．even if |
| C．if | D．unless |
When I was passing the Town Hall, I heard the clock ______ twelve.
| A．hit | B．Shake | C．beat | D．strike |
Your brother ______you is very kind to me.
| A．and | B．or |
| C．as well as | D．as well |
Mr. Smith is very happy because the cars made in his factory have never been ______.
| A．popular | B．more popular |
| C．most popular | D．the most popular |
If you are looking for a ______, you can make it when it is on sale.
| A．price | B．bargain | C．cost | D．bill |