You should have [blended]the butter with the sugar thoroughly before you heated them.

[单选题]You should have [blended]the butter with the sugar thoroughly before you he

You should not refer to them.A. accurateB. fixedC. dedicateD. rigid

[试题]B．eforeyoumailthisletter，youshouldcheckagainwhetheryouhave_______itornot.A.sunkB.sighedC.soughtD.sealed

[单选题]_____you may have, you should gather your courage to face the challenge.A． However a serious problemB． What a serious problemC． However serious a problemD． What serious a problem

[问答题]You should look around before you cross the street.

[单选题]I should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow.A． didn't need to cleanB． needn't have cleanedC． don't need to cleanD． mustn't have cleaned

[单选题]Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.A . deflectionB . discrepancyC . errorD . tolerance

[单选题]Now( )the words and phrases exactly as you hear them.A.repeatedB.repeatingC

[单选题]Now( )the words and phrases exactly as you hear them.A.repeatedB.repeatingC

[主观题]What should you do if you have to go back home late?._____________________________________________