—Those scientists invented a robot to care for kids!
—It’s not surprising．They ____ wonders all the time．
| A．worked | B．were working | C．work | D．have been working |
I couldn’t find Peter, did I know where he had gone.
| A．but | B．nor | C．so | D．and |
It was dangerous for you to swim in that river. Youeaten by the fish.
| A．might have been | B．must have been |
| C．could have been | D．should have been |
_____ I can see what you mean, even though I don’t share your point of view.
| A．In the way | B．On the way | C．In no way | D．In a way |
---- Jack and Mary got married last week . Did you go to their wedding .
---- No . I .
| A．hadn’t invited | B．haven’t been invited |
| C．hadn’t been invited | D．didn’t invite |
The villagers went out to the mountain __________ the missing child.
| A．in a search of | B．looking after | C．searched for | D．in search of |