The class teacher was anxious to hear one of his top students _____ because of family move.
13.A new simplified desktop computer has been developed for people aged over 60 to make them _________with PC and the Internet.
12.We have to study for a bright future, so we have to lose some sleep_________we're worn out.
11.Nowadays electrical energy_________from the sun has become the most widely used energy.
10.The country has changed so greatly over the past three decades that it has grown_________my wildest imagination.
9.Creative people are in a better position to succeed in both university and society than_________who may just be good test-takers.