They found the remains of buildings under the sand，together with a lot of treasures．
| A．being buried | B．buried | C．to be buried | D．burying |
After the new type of rice was introduced, the farmers produced _______ rice this year as last year.
| A．as twice much as | B．twice as much as | C．twice much as | D．twice as much |
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
_____ we were worried about was _______ they could manage to control the pollution.
| A．That; how | B．That; whether |
| C．What; that | D．What; whether |
The manager of the supermarket was so impatient and even rude! I will never go shopping in that supermarket again and __________________.
| A．nor will my friends go. | B．neither my friends will go. |
| C．nor my friends will go. | D．neither will go my friends. |
English is a subject ___________ we should attach great importance.
| A．which | B．that | C．to which | D．for which |