单句语法填空

1.I'd appreciate            if you would like to teach me how to use the computer.

2.Recently CCTV Station has taken great pains to make a program that reviews the important            (event) of 2018.

3.I found all the            (character) in his play very interesting.

4.Who was regarded            the most successful President of modern times?

5.You can learn English well by means            practicing more.

6.He majored            physics at university.

7.These bags are made of a variety            materials that can be easily treated when they become rubbish.

8.She was put under house arrest two years ago but remained a powerful           (symbolic) in last year's election.

9.It was based more           German than the English we speak at present.

10.Looking ahead，we must expect changes to be made in our system           teaching.

11.Some people have a wrong attitude           the disabled.

12.You can always tell the difference between the tourists and the            (native)．