I can't _____ what you said because you spoke too quickly.
—I prefer western food. It's a kind of healthy food.—________ But western food is said to be high in sugar and fat, such as hamburgers and fries.
________ the opportunity to speak at the graduation ceremony made him overjoyed.
Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.
Good shoes, clothes and a backpack are the basic ________ you need for your hiking.
The Australian boy has a good ________ of Chinese and can express himself freely in it.