Lady Gaga is famous _______ her beautiful voice.

Taiwan is ______ ______ the Treasure Island of China and it is a part of China.

There used a tree in front of the house, but now it is cut down.

What a mess! You are always so lazy!—I’m not to blame, mum. I am ________ you have made me.

You may find the key to the math problem on page 107．—Ah, it’s so simpleI wonder why I _____ of that