Ex 7. Write the sentences, using the correct form of the words in brackets. 1. Mai has some ______________ skills in speaking English with foreigners. (communicate) 2. I feel ______________ in the chat room because they are discussing a totally strange topic. (visible) 3. They love to use video chatting to make their conversation more ______________. (interact) 4. The ______________ have just discovered a micro-organism living in water. (biology) 5. Mike said that he might become a flight ______________ when he grew up. (engine) 6. A website ______________ is responsible for maintaining websites. (administration) 7. The space suit including boots and gloves must be ______________. (breath) 8. Everything will float uncontrollably if it is put in a ______________ environment. (weight) 9. Astronauts should learn to live ______________ in new living condition. (appropriate)