The teenager sat there for hours ______ end in silence after he was put ______ prison.
| A．on; into | B．in; into | C．on; to | D．in; to |
I like to have my photos taken _______ there are mountains and rivers.
| A．there | B．in which | C．when | D．where |
Anyone, whether he is an official or a bus driver, should berespected.
| A．especially | B．naturally | C．equally | D．normally |
.In the near future, more advances in the robot technology _____by scientists.
| A．are making | B．are made | C．will make | D．will be made |
One of our rules is that every studentwear school uniform while at school.
| A．shall | B．could | C．might | D．will |
I haven’t finished my homework yet. I my mother with the housework all day yesterday.
| A．helped | B．have helped | C．was helping | D．have been helping |