问题

Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.
A:understanding
B:to understand
C:understood
D:to be understood ;
B:to understand
C:understood
D:to be understood ;
正确答案是:
同类题型
Volunteering our time to help people ________ a good way to _______our free time.
What did your parents think about your decision— They alwayslet me do _______I think I should
Wearing blue or sleeping in a blue room goodfor our .
Could you please tell me —–Sure. It’s at the street corner.
I think students should wear uniforms.—.We look smarter in our own clothes.