Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.
| A．among | B．beneath | C．beyond | D．opposite |
. The boys enters the classroom, smiling and______, and_______down to have their lessons
| A．talk; sat | B．talking; sitting | C．talking; sat | D．talked; sitting |
. The bus the man was looking forward to _______only a minute ago
| A．arrive | B．arriving | C．arrived | D．had arrived |
. ---When did Miss Wang leave the office
----She left ____you turn bake to write on the blackboard
Athe minute B. a time C. until D. Unless
. ----Would you mind my coming over and having a look at your new garden? My little son’s curious about those roses you grow.
----______. You’re welcome
| A．Yes, I do | B．Never mind | C．Yes,please | D．Not at all |
. I think immediate action should be ____to prevent the facories sending out waster
| A．make | B．brought | C．taken | D．paid |