You ____ television．Why not do something more active?
| A．always watch | B．are always watching |
| C．have always watched | D．have always been watching |
The farmer used wood to build a houseto store grain.
| A．with which | B．in which | C．which | D．where |
According to the periodic table,still some elements undiscovered.
| A．there seem to be | B．it seems to be | C．it seems that | D．here seem |
Calculations, which are astronomically exact, have been madewith the use of computers.
| A．possible | B．it possible | C．possibly | D．to be possible |
The man deniedany thing at the supermarket when he was questioned by the police.
| A．to have stolen | B．having been stealing | C．having stolen | D．to steal |
“Do you thinkI should attend the lecture?” she asked me.
| A．that | B．whether | C．if | D．when |