I don’t think he was happy although he lived in a rich family, _______?
| A．wasn’t he | B．was he | C．do I | D．don’t I |
I still remember that terrible accident a few days ago, ____ more than 20 pupils were killed.
| A．where | B．that | C．on which | D．which |
The police said they would not give up looking into other possibilities ____they find out what happened.
| A．as | B．while | C．until | D．although |
When Justin didn’t ____ for lunch the next day, Mrs Foster became worried and called the police.
| A．give up | B．show up | C．make up | D．stay up |
If ____ in, the viruses can result in illness or even deaths.
| A．breathed | B．to breathe | C．breathes | D．is breathed |
Standing inside ____ lots of strange creatures with white skin and large black eyes.
| A．was | B．is | C．were | D．be |