30. The elephant I saw in the zoo ate _____ all the things the visitors gave it.
| A．up | B．at | C．out | D．Off |
相关试题
Please speak in a _______ , or the teacher will hear what you say.
| A．voice | B．whisper | C．science | D．sound |
--Excuse me, I don't think you can smoke here.
---Really sorry. I ______ this is a non-smoking room.
| A．didn't know | B．don't know | C．have no idea | D．haven't known |
The class ______ big. Now the class_______ practicing swimming.
| A．are ;are | B．is ;is | C．is ; are | D．are ; is |
Each of us has to write a ______ report every three weeks.
| A．two-thousand-words | B．two-thousand-word |
| C．two-thousands-word | D．two-thousands-words |
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