One of the most important questions they had to consider was _____ of public health.
A. what B. this
C. that D. which
Encourage your children to try new things, but try not to ___ them too hard.
A. draw B. strike C. rush D. push
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
The children all turned ____ the famous actress as she entered the classroom.
A. looked at B. to look at
C. to looking at D. look at
Edward, you play so well. But I ______ you played the piano.
A. didn’t know B. hadn’t known
C. don’t know D. haven’t known
She brought with her three friends, none of ______ I had ever met before.
A. them B. who C. whom D. these
