Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live.
A. will be B. would have been C. is D. would be
The computer was used in teaching. As a result, not only_____, but students became more interested in the lessons.
A. saved was teachers’ energy B. was teachers’ energy saved
C. teachers’ energy was saved D. was saved teachers’ energy
----_____has been designed to enable children and young people to act safely on roads?
----Programmes and resources in the theme “Road Safety”.
A. Why is it that B. What is it that C. What is that D. Is it what
The problem with being a time waster is _____the online game playing often spills over into the periods of time that should be productive.
A. what B. which C. that D. whether
The Internet is increasingly accessible at school and at home. _____many parents and teachers are sometimes not as prepared as we should be to warn children about Internet threats.
A. Actually B. Generally C. Surprisingly D. Unfortunately
People of different countries and regions, different nationalities and cultures have formed with solidarity an Olympic family, ______they have deepened understanding and enhanced friendship.
A. when B. which C. that D. in which
