15．聽下面一段材料，回答第15至第17題． 15．What is Jack going to do this summer holiday？ A．Stay with his own family B．Stay with an American family C．Stay with his classmates 16．How is Jack going to LA？ A．By ship． B．By train． C．By plane． 17．When is Jack leaving for New York？ A．On 1st June． B．On the end of the journey． C．On 1st July．
16．14．Turn offCwhen we leave the room． A．the radio B．the TV C．the lights 15．The speaker is aA． A．student B．teacher C．shop assistant 16．The speaker gives usBpieces of advice． A.2 B.3 C.4．
