The sudden of the headmaster gave the children who were talking loudly in the classroom a great surprise.
| A．entrance | B．entry | C．absence | D．trial |
The villagers, _______ had been damaged by the flood, were given help by the Red Cross.
| A．all of whose homes | B．whose all homes | C．all their homes | D．all of their homes |
I’ll probably come to see you on Sunday; ________, it will be on Monday.
| A．thus | B．then | C．after all | D．if not |
After the new technique was introduced, the factory produced _______ in 2010 as the year before.
| A．as twice many machines | B．twice many as machines |
| C．as many machines twice | D．twice as many machines |
The increase in home computers means that families have much easier ________ to information.
| A．measure | B．access | C．way | D．method |
_______ is known, John studies in _______ is considered the best school in the city.
| A．Which; which | B．What; what | C．It; which | D．As; what |