23. ------ Ian gave up playing the piano eventually. -------It’s just_____of him to spend all that money on the equipment and then lose interest halfway through the course.
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?
Students should be encouraged to use _____ Internet as _____ resource.