In the park , the number of the visitors is tightly ____ to avoid damaging the environment or putting stress on the animals.

 If you are _____ about Australian cities, just read the book written by Dr Johnson.

I am rather      about the full mark that he got in the recent English test, because he never studies.

All of us are amazed at this______ temple, which has existed more than one thousand years.

—Do you think our teacher is ________ ？—Yes， he always corrects our homework and prepares his lessons　_______.