No one knows exactly when our ancestors started talking, but new evidence suggests that____ might have happened a long time ago.
| A．which | B．what | C．it | D．they |
I can’t repair these until tomorrow, I am afraid.
That is ok. There is .
| A．no problem |
| B．no wonder |
| C．no doubt |
| D．no hurry |
If law and order ______, neither the citizen nor his family is safe
| A．are not preserved |
| B．is not preserved |
| C．were preserved |
| D．have not been preserved |
At the bus stop ______ a soldier and two young people on their way to the village.
【选项】
| A．were |
| B．was |
| C．is |
| D．sits |
Nothing but several glasses ________ bought by my father the day before yesterday.
| A．was |
| B．were |
| C．have been |
| D．would be |
The whole family _______ TV attentively.
| A．are watching |
| B．is watching |
| C．is seeing |
| D．are seeing |