In which of the following places can you often see this sign?  |
A. In a park. B. In a school. C. In a science museum. D. In a street. |
| I have been ______ English ______ ten years. |
A. study; for B. studying; since C. studying; for D. to study; since |
| — I called you yesterday afternoon, but there was no reply. — I ______ a dolphin show in the zoo with my cousins. |
A. watched B. will watch C. am watching D. was watching |
| The radio is too loud. Will you please ______? |
A. turn it down B. turn it on C. turn off it D. turn down it |
| Amy the windows already, so the room looks much brighter. |
A. cleans B. has cleaned C. is cleaning D. will clean |
| I first met Joe three years ago. He at a CD shop at that time. |
A. will work B. is working C. has worked D. was working |