A. warn
B. alert
C. caution
D. careful
[单选题]You__________ be too cautious when you are driving especially on the freewa
When you feel ________, you should go to see a doctorA. sickB. safeC. Sad
[单选题]You should be( )when you are doing your exercises.A.carefulB.carelessC.care
Was the driving pleasant when you vacationed in Mexico last summer?-No,it _____
[单选题]When should you use distress flares and rockets?()A . Only when there is a chance of their being seen by rescue vesselsB . At half-hour intervalsC . At one-hour intervalsD . Immediately upon abandoning the vessel
[主观题]When you're _t_________ ,you should have some water.
What should you do when you need to answer a phone call during a performanceA. C
According to Miller, what should you do when you find a book you want to read??
You should not not take her ( ) when she said that she wished she were dead.A. l
Please dont forget the Tourist Guide, which should when you travel to