Shanghai is a big city. Many people want to v___________ it this summer. Tom is an American boy. He l___________ in New York. He will come to Shanghai by p___________ with his parents. From the Internet, he knows it's sunny and h___________ in summer in Shanghai. So they have got sunglasses and caps. They also want to find a Chinese friend to be their guide (導(dǎo)游), because they can't s___________ Chinese. He thinks they will have a good time.