Robert is away. He _______ America since last week.

__________ hat is it? Sorry, I don’t know.

Excuse me, could you tell me ？– Go along this street until you see some buildings with golden roofs.

It’s hard to believe____ the way out of the forest without the help of the local guide.

Hi, Tim. Huozun’s song Juanzhulian (卷珠帘) ______ great!—Yeah, I like it very much, too．