单选题：The experiment shows that proper amounts of exercise, if____..

单词拼写。1. It was _________(安排)that they should leave the following spring.2. Harry Potter lives in a _________(幻想) world, which is totally different from ours.3. As beginner of a second language, you have many difficulties to _______(克服).4. The villagers he

______ of the danger of traveling by airplane, I often take the train as my first choice. [ ]A. To convince B. Convincing C. ConvincedD. Being convinced

Time, ________ correctly, is money in the bank. [ ]A. to useB. usedC. usingD. use

The Monument to the People's Heroes, ____ from August 1952 to May 1958, was the first large-scale memorial built in New China.[ ]A. to be constructedB. constructedC. being constructedD. was constructed

It is often _____ thathuman beings are naturally equipped tospeak.[ ]A. said B. to sayC. sayingD. being said