Dr. Smith, together with his wife and daughters, visit Beijing this summer.
Don’t use words, expressions or phrases _____ only to people with specific knowledge.
Scientists still wonder ______ cloning will help or harm us and _____ it is leading us.
After the National Entrance Examination the students will have an anxious couple of weeks _____ for the results.
Then came the disturbing news ______ Dolly had become seriously ill.
Would it be ___ for you to pick me up at four o’clock and take me to the airport?