She_____ shyly at the young fellow from behind his fans.[ ]

Where have you _________ all day —I came back at noon and I _________ inthis room ever since.

______he sing an English song –No ,he can’t

Would you like to see a film with us tonight — I’d like to. But I can’t ______ the time because Ihave to finish my composition.

下列各句中，没有语病、句意明确的一句是(　　)