选词填空(可变换形式,其中有两项是多余的)
11. The association has organised
______ events and competitions for school children in the area.
12. If you ask a person what they
______ something, you want to know what their impression, opinion, or understanding of it is.
13. After they had performed hundreds of experiments they
______ solving the problem.
14. In our class, we
______ to do the duty report.
15. Parents must set an example for their children, for children
______ copy them in some aspects.
16. Just because of the rain, the sports meeting was
______.
17. His musical career was
______ in his thirties.
18. You should
______ your mistakes in your notebooks.