The U.S. government on Wednesday _______ former Commerce Secretary Gary Locke as ambassador to China, making him the first Chinese-American ever to take the post.

________you can pass the exam or not depends on yourself.

They are the __ who __ Wuhan University and now are playing an important part in our factory.

Your task will be to examine the___________ of constructing a new factory in the United Kingdom.

Joe just wanted to play a joke on her. He did not mean ______ Sarah.