You mustn’t go off on your own，because you ________ get lost in the mountains．

Are these your parents – _____ .

She insisted that she ________ at the airport the suspect(嫌疑人)________ her husband’s murder two years before.

Have you heard that Tom, along with his parents, _____ to Japan?—Really? No wonder I haven’t seen him these days.

1–Hello! 565-4327.Who’s — isMary.