17． You can keep on shouting or whistling always three times together for help．

[单选题]You can`t keep these things,such as (),in your carry-on baggage.A．a passengerB．big scissorsC．kitchenD．mobile phone

[单选题]C．Sports can help you keep fit and get in touch with nature. However, whether you are on the mountains, in the waves, or on the grassland, you should be aware that your sport of choice might have great influence on the environment.Some sports are res

[试题]回答 64 ~ 67 题： C Sports can help you keep fit and get in touch with nature． However, whether you are on the mountains, in the waves, or on the grassland, you should be aware that your sport of choice might have great influence on the environment.Some s

[问答题]Keep in mind this important point in reference to your vocabulary improveme

[单选题]17．A．runB．eatC．drinkD．sleep

[单选题]17．A．sayB．guessC．talkD．know

[单选题]17．A．whyB．whereC．whenD．how

[单选题]17．A．spentB．spendC．spendsD．spending

[单选题]17．A．worseB．badC．betterD．good

[单选题]17．A．fatB．thinC．short