Teenagers should never give any strangers ______.

A． their mobile phone numbers

B． their family address

C． their personal information

D． their parents’ names

[单选题]The crankcase cover should never be allowed to open for investigation when （）A . the engine stopsB . the engine is runningC . you repair the engineD . overhauling the engine

[单选题]：Keys should never be hidden around the house since thieves（ ）know where to find them．A．virtuallyB．unavoidablyC．reliablyD．invariably

[单选题]( )you start，you will never give up.A.Even ifB.If onlyC.WhileD.Once

[单选题]( )you start，you will never give up.A.Even ifB.If onlyC.WhileD.Once

[单选题]____ should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.A．The watch keeping personnelB．The chief engineerC．The person on a bunker bargeD．The duty deck officer

[单选题]We should ______ our agents of any price increases.(A) notify(B) tell(C) notice(D) warn

[单选题]（） should not undertake any task which will interfere with the supervision duties relating to the main machinery and associated equipment.A . The watch keeping personnelB . The chief engineerC . The person on a bunker bargeD . Any of the above

[单选题]He is faced with a lot of difficulties; ____________ he will never give up.

[单选题]We should not[give up] hope so easily.A.give awayB.abandonC.give inD.give o

[单选题]Never give out identifying information such as home address, school name, o