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)