英语题please close the door and windows when you _____the officeplease close the door and windows when you _____the office.A.leaving B.leaveWhen the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rock

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英语题please close the door and windows when you _____the officeplease close the door and windows when you _____the office.A.leaving B.leaveWhen the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rock
英语题please close the door and windows when you _____the office
please close the door and windows when you _____the office.
A.leaving B.leave
When the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rocket fly up into the sky.
A,become B.becomes C.became D.is becoming
We never let the lights on when _____the rooms.
A .leave B.leaving
if 后跟动词一般现在时

英语题please close the door and windows when you _____the officeplease close the door and windows when you _____the office.A.leaving B.leaveWhen the gas ___very hot inside the rocket,it wil run out of the end of the rocket ,so it can make the rock
B.leave (需要谓动,.leaving 不能做谓动)
B.becomes (主将从现原则,gas为不可名,因此become要加S)
B.leaving( when leaving the room =when we leave the room

1 B( 注:A不能作谓语)
2 B (WHEN 引导的从句,是‘ 主将从现’ )
3 A( B不能作谓语)
We will go shopping if it is sunny tomorrow.