—Is the parking space ________ for all the cars in the community?—I’m afraid not, only about half.  

Traveling is ______, but we often feel ________ when we are back from travels.

—How much is the T-shirt    ?—It is __________ 65 dollars.

With online shopping increasingly popular, the Internet is seen as a(n)   way of reaching target customers.

As we all know, _________ exercise will help to strengthen the heart and improve circulation of the blood.