Joe had changed so much that I could hardly ______ him at first in Shanghai Expo Garden.[ ]

I am not fond of ______ music very much, but I do like ______ music they are dancing to.

I am sorry to say I can’t help ________ the room because I am busy right now.[ ]

My brother doesn’t like eating __________ . He only likes eating ___________ .

It is difficult for my teacher to my mistakes in my composition. He is so careful!