用所给单词的适当形式完成句子。 |
1. Is it right _______ (experiment) on animals? 2. What's the ________ (mean) of this? Why have you left your clothes untidily on the floor?. 3. We hired two rooms with _______ (connect) doors. 4. We are collecting _______ (donate) for the homeless children. 5. Our teacher __________ (communicate) his ideas very clearly. |