----Recent years have _______ rapid changes of my hometown.
----Yes, I could hardly recognize it when I arrived yesterday.
A. watched B. contributed C. made D. witnessed
I like getting up very early in summer. The morning air is so good ___________.
A. to be breathed B. breathing C. to breathe D. being breathed
In my opinion, life in the twenty-first century is much easier than ________.
A. that used to be B. it is used to C. it was used to D. it used to be
________ by the advances in technology, many farmers have set up wind farms on their land.
A. Being encouraged B. Encouraging C. Encouraged D. Having encouraged
The system has been designed to give students quick and easy _________ to the digital resources of the library.
A. access B. passage C. way D. approach
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